This residential door allows San Francisco muggles a glimpse at the wizarding world.

This mesmerizing statue of a child wrestling an anteater symbolizes the native culture and biodiversity of São Paulo.

This experimental utopian "city of the future" in rural India may hold a dark secret.

A regular looking rock with an unbelievable history.

One of the largest cat sanctuaries in North America is considered a "Club Med" for felines.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

A tree grown from astronaut seeds which were exposed to cosmic rays.

A strange house built only at night, with rumored mystic inspiration.

A hidden subterranean installation offers a view of the sky.

A private home built to resemble the shape of a microscopic creature.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

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

One artist's yard is full of shining, whirling kinetic sculptures that look like pure steel psychedelia.