Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

Bouncing, delightful, mechanical art at the MIT Museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This replica of the Greek structure is in the heart of Nashville.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

Home to items never before seen by the public.

A toxic ghost town sitting atop a massive coal fire.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

Second largest wastewater treatment plant in the country.

Hut with supplies for shipwreck survivors.

Solar powered Spectacle Island features all-green facilities.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Civil War Fort on an island in the Boston Harbor.

Last church of this militaristic WWII style.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

The headquarters of the famous Yale society.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.