This Pringle-shaped ledge makes for the perfect photo op.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

A tribute to the disposable cups that were once manufactured here, this 68-foot-tall statue would be difficult to throw away.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

A former utopian healing center created by a huckster and built by derelicts.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

The summer home of the largest colony of bats in the world.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

A 131-year-old wunderkammer of Texas history.

The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

The oldest surviving presidential residence in the United States.

One of Philadelphia's largest murals resides hidden under this bridge.

This beloved marketplace mascot poops money and grants good luck.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.