The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

This California artist's front yard acts as a gallery for his unique, scrap metal animal sculptures.

Where beautiful signs live on forever.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

This icon of the Atomic Age now lays dormant.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

These lush botanical gardens employ the most purrfect pest control force.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

Pennsylvanian mass grave and possibly mass murder.

Pennsylvania's own Roswell-style UFO mystery.

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

America's first serial killer rests in anonymity.

The ruined remains of a coal mining ghost town are hidden within the woods.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Mysterious rocks that ring musically when struck.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.