America's oldest archaeological site or a muddled case of wishful thinking.

The debris forms a solemn memorial to those who died in a 1963 accident.

They call buildings like this "mimetic architecture," but nothing has ever mimicked the taste of Moxie.

Beautiful natural falls where Satan once ruined a pot of beans.

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

This cemetery is home to numerous granite headstones that are works of art unto themselves.

Oldest synagogue in the United States.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

A red brick monolith is all that remains of New England’s first commercial brickyard.

Marigolds, rosemary, Madonna lilies, and the Virgin’s Bower decorate this Massachusetts sacred garden.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

Last church of this militaristic WWII style.

Hut with supplies for shipwreck survivors.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

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

A cave dug by a man directed by ghosts to find pirate treasure.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

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

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

Over fifty whirling pools left by the glacial age.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.