This massive water spout has been luring visitors for hundreds of years, some to their death.

The statue honors an adventurous seafaring cat.

Come for the flowers, stay for the bats!

Dramatic river bend surrounds a natural red-rocked pedestal.

The fifth-longest natural arch in the world, and the longest outside China.

A small oasis not far from downtown Moab.

This Moab institution functions as both a rock store and a small natural history museum.

A failed piece of Orientalism has become the proud symbol of a community.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

Once America's tallest structure, now a Baltimore landmark.

The taxidermy remains of the most popular pony in children's literature.

The land is home to swimming ponies and a legendary 18th-century treasure.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Yo, Adrian!

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

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.