It marks the spooky spot where the bodies of two young boys were found in the 19th century.

In which a local geological marvel becomes a quaint roadside attraction.

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

Mysterious rocks that ring musically when struck.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

This might just be the TARDIS of bookstores.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

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

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A layered tribute to the work of mosaicist Isaiah Zagar.

Century-old shop, specializing in Occult products.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The first American department store, and home to the largest operating musical instrument in the world.

This elaborate towering structure was once famed for its revolutionary height.

Pennsylvanian mass grave and possibly mass murder.

A toxic ghost town sitting atop a massive coal fire.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.