The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

The final resting place of the living embodiment of the famous Forest Service symbol.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Deadly airliner crash preserved for those willing to climb and pay respects.

More than 21,000 images fill this overlooked gem of a prehistoric site.

Home of the International Space Hall of Fame.

One of the American Southwest's most extensive collections of Navajo rock art.

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

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

A multi-storied adobe complex has been inhabited for more than a thousand years.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The home of famed war correspondent Ernie Pyle is now a library and museum dedicated to his memory.

A museum devoted entirely to the rattlesnakes and snake-related art.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

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