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

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

A miniature golf course crafted inside the world's largest simulated cave.

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

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

This public space is speckled with the eerie remnants of a defunct amusement park.

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

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

10,500 square feet of pinball housed in former dollar store and home to the last playable "Thunderball."

Nothing says indulgence like a 1,500-pound chocolate castle.

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

This icon of the Atomic Age now lays dormant.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

Where the "World Pinball Champion” is crowned.

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

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

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

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

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

A private residence adorned with a gorgeous mural dedicated to the buzzing insect.

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

This shrine dedicated to the Virgin Mary is also a tribute from a mother to her fallen son.

Hundreds of protractors affixed to surfaces all over the city.