The first (but not only) upside-down house in Germany.

A bigger-than-life pun that has become a beacon of altruism.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

One of the ghostly stops along Route 66.

Museum dedicated to awful artwork.

The largest permanent Monopoly board makes one of the longest games even bigger.

A hollow cement depiction of time's inexorable effect on the human body.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

A technicolor place of worship for Elevationists.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This massive redwood tree has a hole in the base big enough to drive through.

The subtle science of a master molecular gastronomist.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Tour the sci-fi-esque reality of governmental disease management.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The trials and tribulations of marking Poe's grave.

A museum dedicated to the alleged Roswell Incident.

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