A fearsome dragon clings to a corner of Munich's city hall.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

The "Seinfeld" diner.

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

The most confusing clock in New York.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A bit of retro transportation flair preserved in the world's largest department store.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A very classy 1920s-era bar right in Grand Central Station.

A semi-scholarly approach to sex.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A giant knight, sex education, date shakes, and Jesus coexist happily in this Coachella Valley desert oasis.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.