A bizarre house filled with an astounding array of collections.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Peek into a cave of giant, glimmering crystals.

A perfectly running 230-year-old silver automaton and music box.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

A gigantic sculpture garden is packed with innovative oddities.

This stockpile of junked electronic and mechanical gadgets is a favorite among Hollywood prop masters.

Where the line between entertainment and aerospace blurs.

This historic observatory contains the world's oldest refracting lens telescope.

A small curiosity shop with items ranging from antique medical supplies to taxidermied animals.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

The Victoria-era quarantine station for Sydney.

Australian museum dedicated to human health and lack thereof.

An indigenous ethnobotanist runs this brunch spot celebrating Australia’s native flavors.

A world-class observatory in the California desert.

This large collection of tiny things revels in the art of fine machinery well made.

Rare collectibles from automated musical instruments to 250 unique automobiles.

Malibu's first beach home features an astonishing trove of ceramic tiles.

Secret US military film studio in the Hollywood Hills.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

This glamorous old building is said to have inspired the Tower of Terror.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.