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

This little museum in the town where zombies were born celebrates the living dead.

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

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

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

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

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

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

Where America's first doomsday cult awaited the end of the world.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A rare view of a preserved Victorian science museum.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Mysterious rocks that ring musically when struck.

World's first "penitentiary," meant to be humane, drove men insane.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The oldest surviving botanic garden in the United States.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.