This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Small church on top of a huge rock column.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

Numerical symbolism abound at East Asia's oldest observatory.

Shrine to Japanese water-goblins, complete with their preserved body parts.

The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

A modern temple with an ancient philosophy.

The Voodoo Superstore of the world.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

A sprawling nature preserve harbors the world's only living dragons.

Museum dedicated to awful artwork.