A somber monument commemorates the site of a Native American reservation marked by suffering.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A collection of relics from the Spiritualist Camp Chesterfield.

Low-frequency noise compared to an idling train can only be heard by some of this industrial town's residents.

This abandoned cemetery has a dark past of bodies buried over bodies.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

It may take some time to locate, but it's sure to warm even a heart of stone.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

Thousands of mounted insects, and some live ones, hide within an otherwise ordinary shopping mall.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

A little-known hot spring haven right below the highway.

A coal fire has been burning underground here since 1896.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

Colorado's only true geyser is hidden within the San Juan National Forest.

A recreation of an Old West apothecary full of curios.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

Curios, scientific antiques, oddities for sale.