One of Amsterdam's narrowest houses is located right across the canal from its widest.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Liechtenstein's royal family calls this medieval alpine castle home.

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

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

A magnificent collection of imperial armor and weaponry.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Baroque celebration of the end of the Great Plague of Vienna.

Handsomely crafted representations of our round planet.

The final resting place for the remains of 143 Habsburg royalty.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Model Trains and Much More in Hamburg.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A spitting ode to a German serial killer.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.