From the sinking streets of Venice to the world's most crowded cities, prove you're more than just a tourist in this global population puzzle.
Which continent has the highest average population density, largely due to containing over half of the world's total human population?
Asia
What religious holiday marks the end of the month-long fast of Ramadan?
Eid al-Fitr
Split by the Bosporus Strait, what major world city is uniquely situated on both the European and Asian continents?
Istanbul
What name is given to the 1930s environmental disaster in the Great Plains caused by severe drought and failure to apply dryland farming methods?
The Dust Bowl
Commissioned by Thomas Jefferson in 1804, which two captains co-led the Corps of Discovery across the newly acquired Louisiana Purchase?
Lewis and Clark