At 16,627 feet above sea level, this unstaffed station is the highest in the world.

This Tibetan monastery has survived multiple attacks and is also a sky burial site.

The highest monastery in the world operates a tiny guesthouse with doors open to all.

Sofia's legislative center is continuously reinventing itself.

A vast Communist-era exhibition space in the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

This ratty natural history collection is a charming relic among a city rushing into modernity.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

An collection of Chinese propaganda posters from 1949 to 1979.

An enormous effigy of the goddess of compassion hides within the sanctuary.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

This enormous censer uses a pulley system installed over 400 years ago.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Cold war icon and onetime "hole" in the iron curtain.

A restaurant and observation deck built in a unique broadcasting antenna.

Blitzkrieg bop your way through Berlin's Ramones Museum.

Where once there was a train station bathroom, there is now this German burger joint.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Started as a kitchen garden, now the second largest botanical garden in the world.

The most visited, and possibly most controversial, museum in Germany.