This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

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

Rare recess caves fill this unbelievably beautiful Ohio park.

Outsider art meets paleontology at this roadside reptile repository.

An abandoned tuberculosis hospital moulders on into an uncertain future.

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

The first and only American institution dedicated to the enduring value of comedy in the United States.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

A quirky collection of outsider art made from automobile parts.

The angel of death appears to weep black tears at this grave marker.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

A miniature golf course crafted inside the world's largest simulated cave.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

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

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Locals call this magical moss-covered walkway the "Emerald Path."

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

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

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.