The smallest bar in Amsterdam has stayed in the family since 1798.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Europe's official "zero-level," the equator of elevation.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A floating cat sanctuary on an Amsterdam canal.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Vines grow up the metal bars in this public park created from an old machine factory.

Two statues of the fictitious toy robots that ran afoul of local government

Washington's iconic carousel has a nice piece of Civil Rights history.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The "lovely red Vega" of the legendary record-settling pilot.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

Use a key to unlock this medieval sewer tunnel.

The famed crossbow of Switzerland's folk hero now adorns a restaurant wall

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

One of the few places in the world that let's you legally relieve yourself on a UNESCO world heritage site.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.