The world's largest vertical wind tunnel.

A curious blend of taxidermy, antique tools, creationism, and a purported antediluvian rock.

This North Carolina store preserves a historic moment in America's movement for racial equality.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

This woodland architectural installation acts as a camera obscura for the heavens.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

This research center for rare prosimians is studying how they sleep to help prolong human life.

A folk art mecca famous among outsider art fans.

Ruins of an American Civil War iron forge still survive today.

The sun acts as a key that only fits this giant keyhole twice a year.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Giant origami crease patterns engraved in Santa Monica intersections may even be visible from space.

Historic house-museum dedicated to the revolutionary gay graphic artist Tom of Finland.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

A faux European lane smack dab in downtown L.A.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The art and history of the velvet painting are on full display in this Los Angeles museum.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

A miraculous natural phenomenon known as "the spring that breathes."