This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Each step is a mere four inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

Pennsylvania's own Roswell-style UFO mystery.

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

This four-story steel sphere in Maryland was used to test biological weapons.

Bizarre Cavern.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A toxic ghost town sitting atop a massive coal fire.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

Pittsburgh's literal underground railroad.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

This secluded walking trail is a hidden gem of a Pittsburgh park.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

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