A semi-scholarly approach to sex.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

This massive library holds what was once the largest book collection in the world.

The fairy tale castle of the "fairy-tale king."

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

One man's homage to the sun continues to grow like a glass fractal.

Enormous lake at the bottom of a unique cave system.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

A winding path built in secret on the edge of the continent.

America's most famous piece of self-built architecture.

Notorious artist squat renovated into legal studios.

Medicinal spa created with the discharge from a geothermal energy plant.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Resting place of Hollywood's immortals is also site of summer film screenings.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The final resting place of New Orleans' most famous voodoo priestess.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Abandoned railway line circling the city of Paris.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.