This language has the most native speakers worldwide, with an estimated number of around 1 billion speakers.
What is Mandarin Chinese?
This European capital lies on the Seine River and is home to the Eiffel Tower.
What is Paris, France?
This river is traditionally considered the longest in the world.
Despite being the 2nd largest country in the world, this country only borders one other country.
What is Canada?
This imaginary line divides Earth into the Northern and Southern Hemispheres.
What is the Equator?
This religion, which originated in the Indian subcontinent, is the 3rd largest in the world, with about 1.2 billion followers.
What is Hinduism?
This planned capital was built between Sydney and Melbourne.
What is Canberra, Australia?
Despite its icy appearance, this place actually qualifies as the world’s largest desert.
What is Antarctica?
This country shares a border with both Russia and China, but it's not North Korea.
What is Mongolia?
This line at 0° longitude passes through Greenwich, England.
What is the Prime Meridian?
This city hosted the first modern Olympic Games in 1896.
What is Athens, Greece?
This capital city sits at the foot of the Andes and is the highest capital city in the world with an elevation of 11,975′ .
What is La Paz, Bolivia?
This mountain range draws the boundary between Europe and Asia.
What are the Ural Mountains?
DAILY DOUBLE!
This European country shares a border with Brazil, surprisingly.
What is France?
This latitude marks the northern boundary of the tropics.
What is the Tropic of Cancer?
This city, home to about 15 million people, lies on two continents.
What is Istanbul, Turkey?
This capital city is divided by the Danube River and was once two separate cities.
What is Budapest, Hungary?
This ocean trench reaches deeper than Mt. Everest is tall.
What is the Mariana Trench?
This African nation is surrounded entirely by another African nation.
What is Lesotho?
This widely used map projection makes Greenland look about the size of Africa (when it's only about the size of Mexico).
What is the Mercator Projection?
This country has the most official languages, with its 2009 Constitution declaring 37 official languages.
What is Bolivia?
This Central Asian capital changed its name multiple times in the 21st century and sits on the Ishim River.
What is Astana, Kazakhstan?
This volcano, located in Italy, famously buried Pompeii in AD79.
What is Mount Vesuvius?
What is the border between Botswana and Zambia?
This is the approximate latitude of the Arctic Circle.
What is 66.5° North?