One man's swirling six-acre monument of stone.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A psychedelic labyrinth on the San Francisco bay.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

The smallest covered bridge in Maryland.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

A sprawling maze of used books piled from floor to ceiling.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

The oldest liquor store in the country is a model of resilience and mischief.

This old-fashioned carhop restaurant gave the world the waffle cone.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Though illegal, city officials have made an exception for this work of art.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The most accurate timepiece in the world.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

When it comes to handsignals (and colonialism) rock always beats scissors.

Ever wanted to can Spam?

A field of nothing but boulders which resembles a giant's gravel driveway.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

This park contains a number of standing stones meant to heal and inspire.