An obscure waterfall that looks like something out of a fantasy novel.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

An optical illusion found amid a logged redwood forest.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

2300-year-old Roman road connecting the empire.

This massive redwood tree has a hole in the base big enough to drive through.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Rustic natural hot springs in the deciduous rain forest.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

360° views of the city plus five floors of optical illusions and hands-on science.

San Francisco's newly reopened hands-on science museum.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The hallucinogenic center of the ancient world.

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

Stroll through a wonderland of stupendous moss-covered trees.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.