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

A scenic fort on the harbor protected Philadelphia from an attack that never came.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

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

This vast kitty-themed collection illustrates the history of human-cat interaction.

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

World War II bunker still standing on the New Jersey beach.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

House used in the 1971 horror film "Let's Scare Jessica to Death."

The Connecticut village named for its subterranean thunder.

A tiny memorial for the year the Connecticut River almost destroyed New England.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

Who knew the Devil's domain was a hot spot for tubing?

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

The former residence of Elizabeth “Mumbet” Freeman, an enslaved African-American woman who successfully sued for her freedom.

The site of the first "historically true" UFO encounter in the U.S.