Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Lucha Libre (Mexican Wrestling) themed taco shop.

Acres of natural wonders left behind by a socialite-turned-gardener.

Spiral labyrinth hidden in the hills above Oakland, CA.

Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

Nose around a unique collection of more than 300 natural aromas used to craft perfume fragrances.

Handmade treasures from around the world.

Comprised of thousands of cave temple carvings this cornucopia of ancient Chinese stone art is unrivaled anywhere in the world.

A Bicycle Path in the Sky.

Gift shop offering toe tags and chalk body beach towels tucked into a coroner's office.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

A shrine to the missionary who first brought Islam to China.

An exquisite example of Uyghur Islamic architecture.

Monks turned this mountain into a temple by digging grottoes, tunnels, and a huge pagoda-like hall.

Stretching almost 2,000 feet, this painting is one of the longest pieces of Buddhist artwork in the world.

It seems that the residents of of this megalopolis suddenly vanished, but they were never actually there.

Enormous burial mounds of ancient emperors.

This ancient Chinese observatory still contains early astronomy technology.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Towering basalt columns, a creation of fire and ice.

One of the largest Buddhist communities in the West sits on the site of an old hospital.