This natural marble cave is one of only five national monuments in Oregon.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A fine, large-aperture telescope available for public use.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

The rusting remains of the largest assembled WWII fleet on the West Coast.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

A volcanic landmark located on an Ice age lake bed.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

The fifth-longest natural arch in the world, and the longest outside China.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

A chance to sleep among the firs and pines of the Oregon forest.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

A health museum containing a 27’’½-foot intestine.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.