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

This public space is speckled with the eerie remnants of a defunct amusement park.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

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

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

The highest point in Maryland is only accessible by hiking through another state.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

This recreation of a 19th-century dime museum is full of oddities.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

Journey through a collection of over 35,000 Halloween items from all generations.

The ruined remains of a coal mining ghost town are hidden within the woods.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

An abandoned stretch of highway, deteriorating next to the operational one.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

Pennsylvania's own Roswell-style UFO mystery.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

This solemn facility remembers the cruel effort to compel Native American children to relinquish their culture.

There are two legends behind the origin of this unusually tall sanitary structure.

A series of 33 stone markers maps an ancient 55-mile transportation route.