Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A sharp bend in a dramatic river canyon cut through red rocks.

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

Most-visited and most-photographed slot canyon in the American Southwest.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A natural formation that resembles a camel resting in the New Mexico desert.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

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

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

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

Legends surround this jagged rock formation in the New Mexico desert.

These aggressively sustainable art homes look like something out of 1970's science fiction.

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

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

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

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

The beautiful, fruit-covered facade hints at this building's former life.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

This strange, small castle on the bayou has withstood the test of time and weather.