A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

A natural gas leak provides a flickering flame beneath a waterfall.

This two-room factory has been cranking out the musical signifier of zaniness for a century.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

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

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A retrofuturistic art installation in the Pittsburgh Airport.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

Pennsylvania's own Roswell-style UFO mystery.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.