Food, Festivals, & Culture
Political Geography & Map Anomalies
Earth Science, Nature & Extremes
History & Ancient Empires
Travel, Transportation & Infrastructure
100

Though eaten worldwide, French fries actually originated in this European country famous for waffles and chocolate.

What is Belgium?

100

Two countries that form the longest unfortified international land border in the world.

What are Canada and the United States?

100

Measuring roughly 36,000 feet deep, the Challenger Deep inside this Pacific trench is the deepest known point in the Earth's oceans.

What is the Mariana Trench?

100

Connecting East Asia to the Mediterranean, this ancient network of overland trade routes was named for a luxury fabric produced in China.

What is the Silk Road?

100

Built in 1914, this man-made engineering marvel allowed ships to shortcut between the Atlantic and Pacific Oceans without sailing around South America.

What is the Panama Canal?

200

Derived from Portuguese for "January River," this Brazilian city was named by explorers who mistook its massive bay for the mouth of a river.

What is Rio de Janeiro?

200

San Marino is a tiny landlocked enclave completely surrounded by this southern European nation.

What is Italy?

200

Major tectonic activity along the rim of the Pacific Ocean basin creates a horseshoe-shaped zone of frequent earthquakes and active volcanoes known as this.

What is the Ring of Fire?

200

Home to the famous Ishtar Gate and the Hanging Gardens, this Mesopotamian city was ruled by King Hammurabi.

What is Babylon?

200

Known to locals as "The Tube," this urban transit network opened in 1863 as the world's very first underground railway system.

What is the London Underground?

300

The Merlion, a mythical creature with a lion's head and a fish's body, serves as the national symbol and official mascot of this city-state.

What is Singapore?

300

Kaliningrad is an exclave territory bordering Poland and Lithuania that is politically governed by this non-neighboring country.

What is Russia?

300

Straddling the border of Zambia and Zimbabwe, this massive waterfall on the Zambezi River is locally called Mosi-oa-Tunya ("The Smoke That Thunders").

What is Victoria Falls?

300

Buried under volcanic ash from Mount Vesuvius in 79 AD, this ancient Roman city remained remarkably preserved for centuries.

What is Pompeii?

300

Established in 1926 and running over 2,400 miles from Chicago to Santa Monica, this iconic U.S. highway is nicknamed the "Main Street of America."

What is Route 66?

400

Originating in Munich, this massive 16-day autumn festival is the world's largest folk and beer celebration.

What is Oktoberfest?

400

Formed in 2011 after decades of civil conflict, this African state is currently the newest internationally recognized sovereign nation.

What is South Sudan?

400

Located in Siberia, this body of water is the deepest freshwater lake on Earth and holds about 20% of the planet's unfrozen surface water.

What is Lake Baikal?

400

Before changing its name in 1930, this historic transcontinental city served as the imperial capital of Byzantium and Constantinople.

What is Istanbul?

400

Connecting Europe directly to Eastern Asia, this 5,700-mile passenger railway line is the longest single continuous train route on Earth.

What is the Trans-Siberian Railway?

500

Inspired by Indigenous folk art and surrealism, the Blue House (La Casa Azul) in Mexico City serves as a museum dedicated to the life and work of this iconic 20th-century painter.

Who is Frida Kahlo?

500

Located entirely within the boundaries of Senegal, this narrow West African nation surrounds the winding river of the same name.

What is The Gambia?

500

Because Earth bulges slightly at the equator, the peak of this Ecuadorian volcano is technically the furthest point on Earth's surface from the planet's center.

What is Mount Chimborazo?

500

The ancient city of Carthage, famously home to the general Hannibal, was located near the northeast coast of this modern African nation.

What is Tunisia?

500

Handling over 100 million passengers annually, Hartsfield-Jackson International Airport is located in this southeastern U.S. city.

What is Atlanta?