Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

One car at a time please.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Small rustic cabin nested in the mountains of Killington, VT.

This former office building has been transformed into an immersive music venue and art space.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

If astronomy had a ghost, it would look like this observatory.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Faces carved into the cliffs create an otherworldly walking trail.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

Rare recess caves fill this unbelievably beautiful Ohio park.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Take a drunken tour inside the world's largest known geode.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

A winding, cliffside stretch of road overlooking the Delaware River.