TRAVEL
This iconic clock tower in London is officially named the Elizabeth Tower.
What is Big Ben?
Visitors to this ancient Incan citadel in Peru can hike a trail of the same name to get there.
What is Machu Picchu?
This South American country is home to the world's largest salt flat, the Salar de Uyuni.
What is Bolivia?
Located in both Europe and Asia, this transcontinental country's largest city is Istanbul.
What is Turkey?
The "black box" in an airplane is not black, but this bright color to make it easier to find after a crash.
What is orange?