A park full of outsider art, created by college students studying outsider art.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

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

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Mysterious rocks that ring musically when struck.

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

A toxic ghost town sitting atop a massive coal fire.

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

Grab a slice of pizza next to the remains of the "human monkey" who ran for mayor.

This small museum concentrates on the juicy history of orange production in Florida.

Flip your own pancakes in this old sugar mill within a Florida state park.

Ancient church constructed with a special wood that preserves prints from the past.

Public works and national defense project meant to carve a canal all the way across the state of Florida.

History is hiding at the Morean Center for Clay.

These simple structures are living monuments to the fishermen who built this community over a century ago.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.