Former self-sufficient mental institution now a planned community.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

Toxic waste disaster that founded the Superfund program.

An old dining hall now serves up ghost stories for lusty locals.

A beautiful final resting place with some surprising residents.

The home, museum, and death site of Kodak's influential founder.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

The seat of Buffalo government is a gorgeous Art Deco palace.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

A river with some unusual, and occasionally dangerous, habits.

The remains of a Rockefeller's lush Italianate estate hidden in the underbrush on the coast of Lake Michigan.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

This overgrown Illinois water park offers a whole new type of adventure.

Medical museum focused on antique anesthesiology equipment.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Chicago's North Park Village was once the largest municipal sanatorium in the country.