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

The master of westerns can be found in...the coastal city of Portland?

Once a vital asset for Southeast Alaska’s timber industry and the backdrop for the gritty 1954 film noir classic Cry Vengeance, the Connell Lake dam now stands as a tragic yet scenic barrier blocking vital fish passage.

This once-forgotten African American cultural hub was an important stop on the Underground Railroad.

This former coal gasification plant found a curious second life as a popular public park.

The flock of plastic poultry is an ode to the classic comedy staple.

At this deceptively beautiful beach, nothing is what it seems.

The oldest standing structure in downtown San Diego.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Semi-recognized center of the world, with many oddities.

A 1930’s courtroom where John Dillinger and his gang went before a judge.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

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

The world's largest military aircraft cemetery.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

Limestone caves with spectacular showcase chambers.

A bronze sculpture in the heart of Portland represents Maine’s most defining industry.

Browse an impressive collection of passenger and military aircraft dating back to World War II.