Mexican food and folk art.

This historic tower in the California desert promises visitors a "vortex of good vibes".

Oldest building in California still in use.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

A large sculptural artwork and garden in Escondido, California.

Rainbow-hued local gem in Venice.

The ancient tomb acts as a calendar that keeps perfect time.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Ancient Bronze Age rampart that was used into the middle ages.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The largest self-built castle in the U.S., six decades in the making.

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

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A multi-storied adobe complex has been inhabited for more than a thousand years.

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

The second oldest continuously operating bar in Louisiana.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

A layered tribute to the work of mosaicist Isaiah Zagar.

The world's longest known cave system.

A bizarre roadside attraction and the first instance of miniature golf in the world.

An unfinished rail tunnel that has since been used to house cheese and bats.