A relic of World War I that now exist as a piece of public art.

The first (but not only) upside-down house in Germany.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

This 1960's Soviet submarine in Peenemünde Harbor claims to be the largest submarine museum in the world.

A city's controversial tribute to its founder depicts townspeople flashing their bare behinds.

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

You've probably seen these distinctive orange-tiled columns on the big screen.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Inside this Krakow church, an explosion of psychedelic color.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

This soviet pilot's graveyard is filled with headstones made of airplane fins.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

The first designer power line in Estonia.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Where Nor'easters go to die.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A massive sea stack famous for its appearance in The Goonies.

The longest and widest floating bridge in the world.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

This former coal gasification plant found a curious second life as a popular public park.