These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This roadside attraction attracts kids with dinosaurs before blindsiding them with geology.

Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

New England's tallest light house stands on an island with a history of cannibalism and death.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

A stone memorial erected for New Hampshire's only convicted witch.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.

Stumps of an Ice Age forest, visible only at low tide.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

A mysterious collection of stones stand outside a small New England town.

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

Former abode of notable poet, complete with literary references and stories of ghosts.

Restaurant in a 1741 farmhouse that touts the story of its haunting on its menus.

The world's oldest and largest museum of mass transit vehicles.

The most photographed house in Maine looks good enough to eat.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

A 12,000-year-old bog boasting rare plants and fauna.