The magic's in the hole!

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A massive sea stack famous for its appearance in The Goonies.

A Roman-style column in Oregon hides a spiral staircase inside.

100-year-old shipwreck you can walk up to at low tide.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

William Faulkner kept his beloved estate wild and untamed.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

A one-of-a-kind collection of a unique medium.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Factory that once supported an entire company town of 350.

The ruins of the castle that chemicals built.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A hand-built folk art installation covered with messages of God's love.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Mysterious glowing orbs float through the desert night.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.