This maze-like slot canyon is a unique gem within an already fascinating geological area.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

A veritable variety of odds and ends.

Avoid gangster interaction while window-shopping.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Minimalist modern art on a repurposed military base in rural Texas.

Mysterious glowing orbs float through the desert night.

An abandoned movie set in the desert of West Texas.

Ghost town with a beer-drinking goat for mayor.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

Home of the International Space Hall of Fame.

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

The highest point in Texas is capped by a big silver pyramid.

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

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

This is one really big nut.

Limestone caves with spectacular showcase chambers.

The Magical World of George Phar Legler.

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

America's only nuclear missile silo open to the public.

The biggest solar telescope in the world helps reveal the secrets of our sun.

The remains of this hell for leather wild west town can still be found in the Arizona desert.