Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

Exotic feline breeding compound and conservation center.

Rare recess caves fill this unbelievably beautiful Ohio park.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

San Francisco Bay's ghost town.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

Moonbows over Kentucky.

One of the largest, oldest, darkest, quietest motel rooms in the world.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

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

One of the ghostly stops along Route 66.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The Magical World of George Phar Legler.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.