Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

A technicolor place of worship for Elevationists.

The oldest stone house in Paris was built by its most famous alchemist.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

This massive library holds what was once the largest book collection in the world.

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

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

France's most famous cemetery, with some of its most curious tombs.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The world's only museum devoted to the wonders of fluorescence.

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

A bizarre house filled with an astounding array of collections.

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

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

On Japan's Tashirojima Island, cats are king.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

An exquisite tunnel of cascading flowers.

A crumbling hospital from the 1850s on Roosevelt Island.