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

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

This vast kitty-themed collection illustrates the history of human-cat interaction.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

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

Native Americans built this circle of stones, which was used to predict astronomical events.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Over 300 wood sculptures depicting characters from Slavic, Greek and Western folk tales fill this magical garden.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

This replica of the Greek structure is in the heart of Nashville.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

Home of an evil witch famous within southern folklore.

This magnificent Cincinnati graveyard is also a popular public park.

Where beautiful signs live on forever.

A memorial for an outsider theorist who believed that the planet is actually hollow.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.