This uninhabited island in Maine is home to various works of art left by visitors over the years.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

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

An ode to the friendship between four Pacific Rim countries.

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

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

Final resting place of a 19th century gold prospector and convicted cannibal.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Adobe ruins punctuate the beauty of an 800 foot canyon carved by the Canadian River.

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

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

A derelict New Zealand-themed amusement park in Japan.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

A unique geological area spiked with wind-carved rocks that resemble teepees.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

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

Community owned and operated, this property is home to a diverse set of nudists.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.