The "How Smart Are You?" Quiz

The sheer magnitude of life on the Galapagos Islands gave Charles Darwin the food for thought he needed to develop his Theory of Natural Selection, the widely accepted version of evolution we subscribe to today.

John Lennon, Paul McCartney, Ringo Starr and George Harrison all hail from Liverpool, England. They originally got together in early 1960 and went on to become one of the most influential bands in musical history.

Polaris is the brightest star in Ursa Minor, and it is commonly referred to as the North Star. For centuries, this bright celestial feature has been used for navigation on the high seas.

Robert Johnson famously sold his soul to the devil in exchange for the ability to play guitar like nobody else in the world. He died at 27, starting the macabre and spooky "Curse of 27."

Baby kangaroos are referred to as "joeys" and often spend a lot of time in their mother's front pouch until they are old enough to start hopping and punching just like the grown 'roos.

The River Styx is not the ideal place to bring a picnic lunch and relax for a while. In Greek mythology, this river connects the world of the living with the deep and dark underworld.

Frosty the snowman might have been a "happy, jolly soul," but this Christmas character was also the victim of rising temperatures that had him scurrying for the North Pole with the help of some children.

Prairie dogs are cute little creatures who know that there's a tremendous benefit to be had by working together to get the job done. They hate being alone, and every dog in a pack has its own job.

"The Divine Comedy" is an epic poem in three parts, and it tells the story of heaven, purgatory and hell. It is considered to be one of the most important poems in all of Italian literature.

The climactic ending of "Indiana Jones and the Last Crusade" takes place in the real Jordanian city of Petra. This ancient city is considered to be one of the wonders of the world.

The yen is the official currency of Japan, and it is also the third most popular currency to trade on international markets. It tends to be fairly strong, even against the euro and the dollar.

The Batu Caves are an easy day trip from Malaysia's Kuala Lumper, and they're well worth the trip. This intricate system of caves doubles as temples designed for many Hindu deities.

Leonardo da Vinci was a true "Renaissance Man." He was an inventor, sculptor and painter. His most famous piece is the "Mona Lisa," a small painting that some say could be the master himself!

Lima is the capital city of Peru. Established in the mid-1500s, Lima remains an important city for travelers because it is home to the largest international airport in the country, as well as Incan ruins.

Alexander Fleming's discovery of penicillin saved hundreds of millions of lives all over the world because illnesses like pneumonia and sepsis were no longer certain death sentences.

Thanks to HBO's latest series on the Chernobyl disaster, the ghost town of Pripyat has been getting a lot of attention. This city was abandoned immediately after the catastrophe and remains frozen in time.

The commonly held belief that pencils contain lead is simply untrue. Lead hasn't been used since ancient times. These days, your No. 2 pencil will write with ease with a graphite core.

Sky-high, massive Lake Titicaca sits right on the Peruvian and Bolivian border, and the two countries share it. Some of the islands belong to the Bolivians and some to the Peruvians.

Aloe is the No. 1 ingredient in any good sunburn treatment, and this cooling green plant has been used for centuries to aid burnt skin. It's also sometimes consumed as a superfood.

The Pacific Ocean is a vast body of water that stretches all the way between the Americas and Southeast Asia. It also cuts a huge, wide band across our planet from north to south.

Pierogi are Polish dumplings that can be filled with savory or sweet surprises. They can be boiled, baked or fried, and the savory ones are often served with a dollop of sour cream on the side.

First held in 1930 at the Estadio Centenario (shown here) in Montevideo, Uruguay, the FIFA World Cup rolls around every four years and soccer/football fans all over the world are delighted. Even in the U.S., where soccer generally takes a backseat to American football, there are celebrations.

Making mole is varsity-level cooking. This Mexican sauce combines garlic, onions, spices, seeds, and bittersweet chocolate together in a layered and complex sauce that truly is a culinary masterpiece.

Bonsai actually refers to a style of tree, rather than a type of tree and is the result of aggressive pruning and shaping. Some bonsais have been known to be as small as gum drops.

Red, yellow and blue are the original primary colors that you probably learned about in your fourth-grade art class. Mix them together and you can make any number of different shades.

The Pony Express only ran for about a year, serving the territory between Missouri and California with mail, newspaper and parcel delivery. Despite the long ride times, it billed itself as a fast service.

Diamonds are made out of hyper-condensed carbon. These sparkly stones certainly come from humble beginnings, but they are not as rare as you would believe. Diamonds are quite common.

King Tutankhamun, also known as "King Tut," was discovered in 1922. He is known as the boy king of ancient Egypt and was buried in a lavish tomb surrounded by many royal relics and treasures.

Although nobody has ever been there, scientists speculate that the core of the earth is comprised of metal. The outer core is liquid and the inner core is thought to be solid.

Les Miserables tells the story of Jean Valjean, a French man who was imprisoned for stealing bread to feed his family. It was a criticism of French society and classism as a whole.

Koalas are eucalyptus-eating animals that are indigenous to Australia. They tend to live high in trees and are famously shy. Although they look cute, they can be vicious if provoked.

Blackbeard's real name was Edward Teach, and he ruled the seas with fear and intimidation. He got his nickname because of his thick mat of black hair that he would never comb or tame.

Red is one of the lucky Chinese colors and the primary color for Chinese New Year. You'll see this fiery hue adorning just about everything that has to do with the holiday, from favors to fancy dress.

Water boils at 100 degrees Celsius, which is roughly 212 degrees Fahrenheit. Boiling water is one of the most effective ways to remove some of the nastier water-borne germs from it.

Bangkok is the bustling capital city of Thailand. Located near the bottom part of the country, it is a metropolis that is famous for its industry, food, culture and incredible shopping.