A parade of antique steeds offers a quirky ride through history.

Dedicated to an "Unknown Man," this grave holds either the remains of a lovelorn suicide or a Cold War spy.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

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

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

This small-town pizzeria won the Hollywood lottery.

This museum holds a fully-functional replica of the "Turtle," the first American submarine ever built.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

This once luxurious Catskills resort is now a haunting ruin.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

A living antique aviation museum in the historic town of Red Hook, New York.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

The world's largest fully steerable radio telescope.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

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

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

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

A wunderkammer hidden on the top floor of the Hartford statehouse.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.