God's Saharan sandbox of wrath.

Berlin's old airport.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

This monumental work of art symbolizes the coming together of a previously divided city.

Floating swimming pool within a moored vessel.

A Syrian family keeps memories of their homeland alive at this sweet shop.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

This platform is now a memorial dedicated to those who were deported during the Holocaust.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

An 18-meter-long sarcophagus of a constantly growing dead prophet.

The Avenue of Mausolea is a series of grand palatial tombs.

Controversially restored in the 1970s, this giant 15th-century mosque is shrouded in legend.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

In Stone Town, Zanzibar, the city’s culture and history is told through its doors.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

The crumbling remains of a once-grand building.

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

Guatemalan womanizer, venerated during Holy Week.

A 19th-century architectural masterpiece with ties to Gustave Eiffel.

Ancient Phoenician and Roman tombs carved into the rock overlook the Moroccan coastline.

The tomb of one of the greatest travelers in history.

This iconic cinema is home to Tangier's Cinémathèque and a symbol of the city's vibrant film scene.

This stucco building in North Africa was the first American-owned property on foreign soil.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.