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

Don't get it twisted: This is the oldest pretzel bakery in the United States.

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

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

Steepest flood safety railway in the entire world.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

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

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

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

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

This might just be the TARDIS of bookstores.

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

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.

A layered tribute to the work of mosaicist Isaiah Zagar.