A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

Limestone caves with spectacular showcase chambers.

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

A reproduction of earth's many biomes.

A former department store turned into a quirky restaurant.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Every president in history is immortalized in bronze in downtown Rapid City.

Wisconsin's most celebrated export gets the royal treatment on I-94.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Golden Gate Park's historic collection of plants.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This unusual lava tube spouts seawater during high surf.

This legendary urban waterfall creates a dazzling display of rainbows.

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

The unusual burial monument of Arizona's first governor.