The fossilized remains of ancient California redwoods.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

A very big rock just plopped down in the New England woods.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

The mysterious round rocks of Schooner Gulch.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A self-built castle made by a mysterious man.

A museum and tribute to a brave profession.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

One of the largest open-pit copper mining operations in the entire country.

America's only nuclear missile silo open to the public.

Collection of vintage trailers double as hotel rooms.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

The Magical World of George Phar Legler.

Miniature art that tells an enormous story.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.