Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The Vermont grave of a 4,000-year-old mummy prince.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Over 50 whirling pools left behind from the glacial age.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

An eccentric inventor's castle home with its own indoor weather system.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The site of Paul Revere's historic two lantern warning.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

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

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

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

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.