Inside this 150-year-old barn turned antique shop is a vast array of items for curios hunters.

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

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

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

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

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

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

A beautiful oddities shop crammed with strange and morbid curiosities.

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

Mysterious rocks that ring musically when struck.

Pagan monument converted to Christianity with the population.

This crumbling Portuguese ruin overlooks the populace it once ruled.

A neolithic tomb converted into a tiny chapel.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A burial ground for workers at one of Hawai'i's largest sugarcane producers that laid buried for decades.

A Japanese pilot crash-landed on this Hawaiian island after the Pearl Harbor attack and terrorized locals for a week.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.