This natural sea cave hides a small wonderland of natural turquoise beauty.

The Cadillac Ranch for monster truck aficionados.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This historic hotel invented the chocolate brownie.

This replica Viking village was created for a film that was never shot and is now open to visitors.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A monument marks the location of the first successful steamboat demonstration.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

The fairy tale castle of the "fairy-tale king."

One man's ambition created this psychedelic log home.

The highest peak in the state of Vermont has some interesting features.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A toxic ghost town sitting atop a massive coal fire.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

This blowhole is supposedly caused by a trapped monster.

One of the only memorials dedicated to journalists who died in combat.