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

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

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

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

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Inside this museum, the history of the Walt Disney Family empire is on full display.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Sports history, made in the Arroyo Seco.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

San Diego's most historic and haunted home.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

A historic freight system that found the true gold rush is in tourism.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The king of U.S. high points towers over every other peak on the continent.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.