The deepest metro station in the world.

When you've got to go, you've got to go.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

This derelict superstructure was a very important warning system for the Soviet military.

At this airport "microcinema," you can catch a film before you catch a flight.

The oldest restaurant in Portland serves fiery coffee cocktails and an astounding amount of turkey.

Make it an offering.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

Portland had a unique approach to Cold War-era protections.

This Portland shop is brimming with natural wonders, local art, and handmade goods fashioned from recycled materials.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The apartment where Pippi Longstocking came to life.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

A war-torn Olympic relic is being overtaken by graffiti and nature.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

The first mosque in the world to receive electricity.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.