1. What is the Trans-Siberian Railway?
   What is The Rocky Mountaineer?
2. What is the Glacier Express?
   What is the Settle-Carlisle Railway?

Built from 1891 to 1916, the Trans-Siberian Railway is still the world's longest train route. To take the railway the entire route, you would need to set aside seven entire days of travel.

1. What is asparagus?
   What are bell peppers?
2. What is lettuce?
   What are green beans, Alex?

Because of its composition of delicate cell walls, lettuce is the only vegetable that cannot be frozen. When lettuce is frozen, it causes damage to the cellular structure and creates a slimy, unusable mess.

1. What is an engagement ring?
   What is a promise ring?
2. What is a wedding band?
   What is the Claddagh ring?

Featuring a pair of hands holding a heart wearing a crown, the Claddagh ring is a tradition that can be traced back to the 1700s. Before marriage, the ring is to be worn on your right hand. The way the heart points is said to let others know if you are single or not.

1. Who is Jeb Corliss?
   Who is Evel Knievel?
2. Who is Harry Houdini?
   Who is Larry Walters?

Including an attempt to jump the Grand Canyon, Evel Knievel and his motorcycle tried to make over 75 death-defying leaps. Despite all his broken bones, his penchant for entertainment paid off. At the time of his passing, his net worth was over 3 million dollars.

1. Who is Neil Armstrong?
   Who is David Bowie?
2. Who is Buzz Aldrin?
   Who is John Glenn?

When Apollo 11 touched down on the moon on July 20, 1969, the world stood still to watch. When Neil Armstrong took the first step on the moon, he took a "giant leap for all mankind."

1. Who is Albert Einstein?
   Who is Stephen Hawking?
2. Who is Louis Pasteur?
   Who is Sir Isaac Newton?

Including the third law in this question, Sir Isaac Newton is the scientist responsible for all of the Three Laws of Motion. In May of 1705, he was knighted by Queen Anne for his contributions to the scientific community.

1. What is Earth?
   What is Venus?
2. What is Uranus?
   What is Pluto?

When you look up in the morning sky, Venus is the second brightest celestial fixture you will see. Venus is also called the evening star sometimes because it often appears before nightfall.

1. Who is Eric Clapton?
   Who is Leo Fender?
2. Who is Les Paul?
   Who is King Ibanez?

Although Les Paul designed the first solid-body guitar in 1941, it was not ready to be rolled out for production until the 1950s. By the time he was ready to mass produce his guitar, Leo Fender had already beat him to the punch.

1. Who is Kenny Rogers?
   Who is Brad Paisley?
2. Who was George Jones?
   Who is Billy Ray Cyrus?

Long before his daughter Miley Cyrus stepped off the Disney soundstage and followed in his musical footsteps, Billy Ray Cyrus took the country music world by storm in 1992. However, "Achy Breaky Heart" was not a Cyrus original. It was first recorded in 1990 by The Marcy Brothers.

1. Who is Princess Beatrice of York?
   Who is Princess Charlotte of Cambridge?
2. Who is Princess Meghan Markle of America?
   Who is Princess Eugenie of York?

The daughter of Prince William and Kate Middleton, Princess Charlotte of Cambridge is the first granddaughter of Princess Diana. Born between her brothers Prince George and Prince Louis, she is the couple's middle child.

1. What is the opossum?
   What is the kangaroo?
2. What is the wombat?
   What is the koala?

Often called pouch animals, marsupials are known for allowing their young to develop in a sort of external womb. Although most marsupials are native to Australia, North America gets to claim the opossum.

1. What is the New River?
   What is the Amazon River?
2. What is the Congo River?
   What is the Nile River?

Beating the Amazon by only 155 miles, the Nile is considered the world's longest river. Emptying into the Mediterranean Sea, the Nile only reaches a maximum depth of around 36 feet.

1. What is Mount Everest?
   What is K2?
2. What is Makalu?
   What is Cho Oyu?

Along with two other men, Sir Edmund Hillary was the first man to reach the summit of Mount Everest without the use of oxygen tanks. Standing at over 6'5" tall, Sir Hillary was a mountain of a man himself.

1. Where is Hawaii?
   Where is Montana?
2. Where is Washington?
   Where is Alaska?

Within the last 200 million years, the Alaska Volcano Observatory reports that there are over 130 active volcanos in the state of Alaska. Since 1990, Alaskan volcanos have erupted an average of twice per year.

1. What is shotput?
   What is tennis?
2. What is swimming?
   What is the pole vault?

Held in Paris during the summer of 1900, Charlotte Cooper became the first ever female gold medalist in the history of the Olympics. Before competing in the Olympics, she won five Wimbledon championships in the women's singles division.

1. What are pectoral votes?
   What are electoral votes?
2. What are popular votes?
   What are state votes?

As proven by the 2016 election, it is possible for a presidential candidate to have a large number of popular votes and still lose the election. In the United States, a system of electoral votes actually elects the president. A winning candidate must have 270 of the 538 available electoral votes.

1. What is a mosquito?
   What is a maggot?
2. What is a leech?
   What is a centipede?

Leeches have between 32 and 40 moving and expanding sections on its body that contains a portion of its brain. Historically used to help remove sickness from the ill, leeches have made a recent comeback with non-traditionalists.

1. What is "It's a Wonderful Life?"
   What is "Home Alone?"
2. What is "The Polar Express?"
   What is "Elf?"

Released in 1946 and starring James Stewart, "It's a Wonderful Life" is considered a Christmastime classic. It was produced and directed by Frank Capra, who was also responsible for films like "Mr. Smith Goes to Washington" and "It Happened One Night."

1. Who is Bob Ross?
   Who is Pablo Picasso?
2. Who is Norman Rockwell?
   Who is Jackson Pollack?

With his PBS series "The Joy of Painting, " Bob Ross was known for teaching others how to paint their own scenic landscapes. Before becoming one of the world's most beloved artists, he was a Master Sergeant in the United States Air Force.

1. What is the Great Lakes?
   What is Glacier National Park?
2. What is Niagara Falls?
   What is Vancouver Island?

Including American Falls, Niagara Falls is the stunning tourist attraction that drains four of the five Great Lakes. Though many have tried to travel over the falls, Annie Taylor was the first to complete the journey in 1901.

1. Who is Herbert Hoover?
   Who is Franklin Roosevelt?
2. Who is Theodore Roosevelt?
   Who is Harry S. Truman?

Appearing live from the World's Fair in New York, Franklin D. Roosevelt became the first U.S. President to be broadcast over the airwaves. Although it was only broadcast locally in New York, it set a future precedent for presidents.

1. What is "Mister Rogers' Neighborhood?"
   What is "Sesame Street?"
2. What is "Rugrats?"
   What is "The Muppets?"

Fred McFeely Rogers was the starring character from the long-running "Mister Rogers' Neighborhood." After his passing in 2003, the show's creators made a spinoff called "Daniel Tiger's Neighborhood" in 2012 that carries on the work of Mr. Rogers.

1. What is the femur?
   What is the scapula?
2. What is the clavicle?
   What is the sternum?

If you were to place your hands on the center of your chest, the bone underneath your skin is called the sternum. On average, it measures one inch wide by 6 inches long, and it is not considered fully calcified and formed until age 25.

1. What is Cusco?
   What is Lima?
2. What is Puno?
   What is Trujillo?

Peru might be the third most populated country in South America, but it is home to one of the largest cities on the continent. With a population of nearly 9,000,000 people, it is a thriving city that hosts the largest collection of pre-Columbian art in the world.

1. What is iron?
   What is magnesium?
2. What is calcium?
   What is folic acid?

When Popeye needed a boost, he used spinach to pump himself up. While he may have only been a cartoon character, he was quite health conscious. Spinach contains one of the highest levels of iron of all the leafy green varieties of vegetables.

1. Who is Julius Caesar?
   Who was Tiberius?
2. Who is Nero?
   Who was Commodus?

Nero was quite the tyrant, and he was known to execute anyone who did not share his views. Although historians doubt the account of Nero playing a fiddle while Rome burned, they do give credence to the rumor that he may have started the blaze.

1. What is Mount Sinai?
   What is Mount Everest?
2. What is Mount Kilimanjaro?
   What is Mount Olympus?

When Moses was given the Ten Commandments, it is said that he received them while spending time in exile on Mount Sinai. At a height of nearly 7,500 feet, it would have taken Moses less than 5 hours to reach the top.

1. What is Aries?
   What is Virgo?
2. What Leo?
   What is Capricorn?

Those born under the sign of Aries are born from March 20th to April 20th. Represented by the ram, the astrological traits of an Aries include creativity and independence—just like their spirit animal.

1. Who is Drew Barrymore?
   Who is Julia Roberts?
2. Who is Carrie Fisher?
   Who is Angelica Houston?

Although Julia Roberts got a great role in 1988's "Mystic Pizza," it wasn't until 1990's "Pretty Woman" that she became a household name. During her career, she has been nominated for four Oscars, winning a Best Actress award for her work in "Erin Brockovich."

1. Who is Lady Gaga?
   Who is Katy Perry?
2. Who is Dua Lipa?
   Who is Madonna?

Named after Queen's "Radio Ga Ga," Lady Gaga also refers to herself as Mother Monster. Becoming a pop sensation has always been in her blood. She has been playing instruments since the age of 4.

1. What is the femur?
   What is the fibula?
2. What is the skull?
   What is the metatarsal?

Running from your hip bone down to your kneecap, the femur is the largest and the strongest bone in the human body. Supported by muscle, the femur bears more weight than any other bone.

1. What is the civet?
   What is the honey badger?
2. What is the sugar glider?
   What is the red fox?

Many people think that the sugar glider is a type of squirrel or monkey; however, they are members of the marsupial family. Found in Australia and New Guinea, sugar gliders have a gestation period that only lasts 17 days.

1. What is neurology?
   What is entomology?
2. What is oncology?
   What is gynecology?

Because there are more insects on the planet than humans, entomologists will never be out of work. In fact, 3/4 of all life on the planet is made of insects. Talk about being outnumbered!

1. What is "Bad?"
   What is "Off the Wall?"
2. What is "Dangerous?"
   What is "Thriller?"

In 1982, Michael Jackson broke world records with the release of "Thriller." It is the only album that has been given platinum status 33 times, and it's estimated that over 66 million copies have been sold worldwide.

1. What is Texas?
   What is California?
2. What is Florida?
   What is New York?

With a population of almost 40 million, California is the most populated state in the United States. In 1850, California was admitted into the union where it became the 31st state.