An abandoned coal mine reached by a steep hike.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

A once grand hotel is being retaken by the wilderness it once capitalized on.

This 19th century granite fortification is one of the most well preserved forts in New England.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A serene plaza that commemorates one of the Granite State's most iconic figures.

Even Henry David Thoreau found this glacial pothole irresistible.

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

A collection of full-size movie monsters opened to the public.

Impossibly life-like natural history models created out of glass by a father and son.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

A rock outcropping left by a glacier that made itself useful throughout the centuries.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Bouncing, delightful, mechanical art at the MIT Museum.

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.