From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

The only rotating bar in New Orleans has been slowly spinning since 1949.

Designed as a place for patients to take in the scenery, this tower has a dark history.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Come for the pastrami, stay for the million-dollar art.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

This Russian bar-restaurant lies within a three-story underground bathhouse.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

A surreal statue honoring Prague's favorite literary son.

Looming communist pillar with a Czech twist.

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

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.

Macabre astrological automaton clock dating to the late 1400s.

The yawning maw of this pagan visage is said to bite off the hands of liars.