A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

A monastery considered a state-protected cultural monument of exceptional importance, founded in the 14th century by Serbian King Stefan Dečanski.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Where Saint-Martin ends and Sint Maarten begins (or vice versa).

A roundabout in the West Indies that pays tribute to a bus driver who brokered no-nonsense on the school route.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.