This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Medicinal spa created with the discharge from a geothermal energy plant.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

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

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

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

A former major munitions plant that has been converted into a sprawling art space.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The romance of early commercial flight still fills this Art Deco destination.

The narrowest house in America is seven feet of pure spite.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.