This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A beloved horticultural oasis on the grounds of a wealthy family's former estate.

These lush botanical gardens employ the most purrfect pest control force.

Pennsylvanian mass grave and possibly mass murder.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

The longest living non-clonal organisms on Earth.

Watch the newest land on the planet form before your eyes.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This conservation area is also home to many of the region's desert tortoises.

These cinderblock farmhouses were actually World War II radar stations in disguise.

The world's longest known cave system.

Terraced flowerbeds and rock sculptures in the midst of the Minnesota wilderness.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

The quirky salon doubles as a retro museum run by the world's leading "hairstorian."

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Explore 10 acres of environmental sculptures.

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

A psychedelic labyrinth on the San Francisco bay.

Remnants of a storybook amusement park hidden behind a strip mall.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.