A modern mechanical planetary system, part of a 10,000 year clock.

Medieval torture techniques with a modern conscience.

The world's first time capsule lies behind a welded steel door in Atlanta.

Fantastic collection celebrating the final send-off.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A nerdcentric group and creators of the Nerd Prom.

A warm desert spring holds one of the rarest species on earth.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Commonly referred to as the most photographed Victorian home in the United States.

The Vermont grave of a 4,000-year-old mummy prince.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

World's largest collection of serial killer artwork and other macabre exhibits.

Thousands of costumed dolls fill one of the world's creepiest museums.

Providing the soundtrack to the golden years of the Seattle grunge scene.

A hand-built folk art installation covered with messages of God's love.

Oldest unrestored plantation house in America that is open to the public.

This striking art museum holds an amazing series of curiosity cabinets.

Legend says this cave housed a 16th-century cannibal and his family of 48.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Shelves covered in dozens of coffee bean varieties fill this North End institution.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A tribute to Ponce de Leon's supposed quest for eternal youth.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.