This plaque marks a place where one of Hollywood’s most famous dancers got his start.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

Steepest flood safety railway in the entire world.

America's first serial killer rests in anonymity.

Locals call this magical moss-covered walkway the "Emerald Path."

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

An occult-y, historic hotel with the World's Largest Ouija board on the roof.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

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

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

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

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Pennsylvania's own Roswell-style UFO mystery.

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

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

An office built to look like a giant basket.