Canyon walls shrouded in ferns.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

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

A reproduction of earth's many biomes.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

1920's reinforced concrete church by architect Auguste Perret changes the face of modern design.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

A collection of crumbling mansions stand as a reminder of a more prosperous time in this Indian village.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

A wondrous old library overlooking the nation's capital.

The crypts are so large they're basically their own underground church.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

A turquoise lake within a volcanic crater.

Three small rooms at the back of the “official” church of London's clowns.

An explosion of natural color known as "the river that ran away from paradise."

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

France's national museum of scientific and industrial instruments.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This former lieutenant governor's home is brimming with curiosities.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

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

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.