Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

Take a monster truck tour around an ostrich farm in the middle of the desert.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This church on a Tohono O'Odham reservation has stood since 1797.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Despite a recent paint job, the factory still sits empty.

An amazing collection of model trains, collectibles, and artifacts that span the last 100 years.

Visitors to this public park will also find the ruins of an old western fort.

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

This bomb shelter-themed bar has barely changed since it opened.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.