Giant heads occasionally litter the industrial Houston neighborhood where sculptor David Adickes has his studio.

Beer lover's can-covered house.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

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

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

New Orleans' famous cemetery, located on the site of a former race track.

Religion and personal struggle gave birth to this collection of concrete angels.

A piece of outsider public art accompanied by a strange urban legend.

Bizarre Cavern.

This large cemetery is known as the museum of granite sculptures.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

One-time largest man-made structure in the world will be a park in 30 years.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A unique sculpture park that specializes in the huge and bizarre.

A castle built by an eccentric medieval enthusiast in rural Ohio.

This simple, broken column marks the final resting place of one of America's most famous explorers.

Mystic Incan rock piles three miles above sea level.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Death rituals and sacrifice inside a Peruvian megalith.

The largest stone moai on Rapa Nui.

This large round boulder is said to emit spiritual power, but it may just be magnets.

What was once a unique system of urban elevators is turning into a mechanical ruin.

A giant Troll lurks under one of Seattle's oldest bridges.