Antiques and recycled art surround this cabin designed to resemble a 19th-century schoolhouse.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

The oddly shaped, steam-spewing building is now an art studio and gallery.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Unique tower has outlasted a takeover of the company.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

This bridge uses an inverted bowstring truss and is believed to be the only of its kind in the United States.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

One of Cincinnati's greatest fighters once trained at a now defunct gym in this Over-The-Rhine neighborhood.

What is it about mushrooms that makes people wish they lived inside of them?

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.