A bar, burger joint, and arcade housed in a late 19th-century church building.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

The first declared National Monument in the United States.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

The world's largest military aircraft cemetery.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

One of the largest festivals of flowers in North America takes place, appropriately, in the Flower City.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Macabre astrological automaton clock dating to the late 1400s.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Looming communist pillar with a Czech twist.

A mocking tribute to the past and modern leadership of Prague.

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

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

Berlin's old airport.

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

This historic tower in the California desert promises visitors a "vortex of good vibes".