God's Saharan sandbox of wrath.

Hindu temple of the dead home to hundreds of long-tailed macaques.

The world's most active stratovolcano is almost always erupting.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

When German-Iraqi relations broke down, this embassy was vacated post haste.

An eerie, derelict amusement park in Berlin.

Berlin's old airport.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

Metro station with a claim to rock n' roll fame.

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

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

The shipyards along the outskirts of the Bangladesh capital are a flurry dangerous boat breaking and rebuilding.

Ancient and modern architecture are joined in Louis Kahn's monument to democracy.

Macabre astrological automaton clock dating to the late 1400s.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

Come for the flowers, stay for the bats!

A battle between nature and architecture in the Cambodian jungle.

Deep in the Thar desert, a temple crawling with thousands of holy rats.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The world's second-largest sundial, made entirely out of stone.

Floating swimming pool within a moored vessel.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

This classic restaurant features a gorgeous mirror-clad room.

Where commuters walk through remnants of an ancient Greek necropolis.