This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A priceless collection of the Nation's cryptologic history.

An astounding collection of medical specimens, including bits of President Lincoln.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

These haunting ruins belong to an ancient village that once had one hell of a view.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Cryptid lake monster honored with its own monument.

A massive sustainable farm designed by the mastermind behind Central Park.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

A bygone village occupation lives on via this quaint public chalkboard.

The site of the climactic scene from the classic horror film is now a historic landmark.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Remnants of a storybook amusement park hidden behind a strip mall.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.