Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Odd outsider art installations surround a Gold Rush-era ghost town.

Home to items never before seen by the public.

Its buzzing collection honors vibrator history.

A hip bar decorated with walls of golden skulls.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

An emporium for the weird, creepy, rare, and just plain gross.

Continuing the tradition of the dime museum in style.

Eighteen miniature death-scene dioramas.

The seamy, underground secrets of Portland's criminal past.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A giant Troll lurks under one of Seattle's oldest bridges.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Elevated freight railway turned wildly successful urban park.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dramatic river bend surrounds a natural red-rocked pedestal.

Cryptic messages embedded in the New York City sidewalk.