Which desert is the largest hot desert in the world?

Which waterfall is the tallest uninterrupted waterfall in the world?

The Northern Lights are most reliably visible in which Icelandic region?

Uluru is a massive sandstone monolith sacred to the Anangu people. In which Australian territory is it located?

The Giant's Causeway is a natural formation of interlocking basalt columns. In which country is it located?

Mount Kilimanjaro is the highest peak in Africa. In which country does it stand?

The Plitvice Lakes are a series of cascading turquoise lakes connected by waterfalls. In which country are they located?

The Salar de Uyuni is the world's largest salt flat. In which South American country is it located?

Ha Long Bay features thousands of limestone islands rising from emerald waters. In which country is it located?

The Cliffs of Moher rise dramatically above the Atlantic Ocean on the west coast of which country?