Bizarre Cavern.

An outlandish shoe shaped house built by an eccentric millionaire.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

A Canadian POW for German soldiers during WWII where prisoners hatched an elaborate escape plan.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

Pennsylvania's own Roswell-style UFO mystery.

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

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

Museum dedicated to the struggles of the disabled.

A forsaken wonder in the middle of the East Side neighborhood.

A natural gas leak provides a flickering flame beneath a waterfall.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

There aren't too many operational funiculars around, but Pittsburgh has two!

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

A collection of unique outdoor sculptures surounded by the beauty of nature.

Astounding collection of coin-operated games and automata.

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

One Pittsburgh musician's decades-in-the-making memorabilia collection is on display at this rock-n-roll curio shop.