A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

The largest self-built castle in the U.S., six decades in the making.

Huge otherworldly domed rocks on the shore of a deadly lake.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A pair of 7-foot legs belonging to the military man of the Mayflower stand jauntily by the side of the road.

Site of the creepy house used in Lucio Fulci's "The House by the Cemetery."

A Medieval Water Tower in the Heart of Massachusetts.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The final resting place of New England's last "vampire."

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

Medical history museum featuring a lovely doctor's office from the 1800s.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

This little museum in the town where zombies were born celebrates the living dead.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

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

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

Solving a 60-year mystery finally gave a name to the young woman known only by the color of her clothes.