This single room has survived the centuries with almost no deterioration.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

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

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Wild West history in Hollywood style.

A relic from a forgotten bakery chain still spins atop a diner.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

Where the rich wintered in Pasadena.

One of Hollywood’s favorite government buildings.

The simple auditorium that launched a pop icon's career into the stratosphere.

A Masterpiece with a Tragic History.

A stellar example of Art & Crafts architecture, and a movie set to boot.

Sports history, made in the Arroyo Seco.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

A remote crossroads honoring a fallen talent.