On the Oregon coast there is a natural hole that seems to be draining the sea.

The last water-powered mill in Oregon is open daily for free tours and has a surprising history.

A real flying saucer, contracted by the U.S. Air Force.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The most magnificent bottle house in a town strangely full of them.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

More than 21,000 images fill this overlooked gem of a prehistoric site.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

The final resting place of the living embodiment of the famous Forest Service symbol.

A little slice of Florida face-in-a-hole kitsch, unexpectedly located in a small New Mexico town.

An abandoned gun-funded 19th century utopia.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A lush green oasis in the middle of Chicago.

This historic national park is covered in the stunning ruins of red rock pueblos.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.