Floating man-made island and upscale restaurant.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A quiet nook at the top of a little-known hilltop park named after California's first poet laureate.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Experience a charming 1930's version of "infotainment."

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

The drama of nature in full effect in this Nevada State Park.

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

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

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

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

A couple turned their front yard into an artistic masterpiece.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.