A railway, a waterway, and a roadway all in one, suspended over a rushing river.

On Nobel Street, a miniature statue of Alfred Nobel.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Super-heavy Nazi architectural experiment.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

A brush maker used his factory to protect blind Jews from the Gestapo.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

This vibrant side road in Doha was painted light blue to reduce heat.

The building is a gigantic piece of art inspired by the shape of a desert rose.

This artificial archipelago was supposed to resemble a map of the world.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

An eerie, derelict amusement park in Berlin.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

A surprisingly beautiful abandoned World War II military base in East Greenland.

A fiery crater has been burning in the Karakum Desert since 1971.

The tallest waterfall in the Judean Desert is named for its connection to a biblical figure.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This enormous abandoned prison was once dubbed the "Bastille of Romania."