Private collection of art inspired by cabinets of curiosity.

Once the gateway to the utopian dream-village of a Civil War embalmer.

Explore 10 acres of environmental sculptures.

World's largest collection devoted to one fruit.

Collective dedicated to restoring steam engines.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

A 140-year-old castle with underground caves hidden in San Francisco.

The haunting ruins of Jack London's dream house.

San Francisco's newly reopened hands-on science museum.

The rusting remains of the largest assembled WWII fleet on the West Coast.

A collection of abandoned typographic signs from Berlin and beyond.

An unrealized dream to wirelessly electrify the entire Earth.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

Visitors dip into a variety of pools of what was once ice.

The only gulag ever to exist in socialist Yugoslavia.

Natural cathedral designed by Italian artist Giuliano Mauri.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.