Surprising rock art on the Adirondack Scenic Byway.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

Thomas Dambo's troll sculpture wears a crown with birdhouses on his head.

Tacoma's historic Beaux-Arts train station is now a federal courthouse featuring large-scale glass sculptures by artist Dale Chihuly.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Slip in a slide while waiting for the ferry.

A massive environmental project transformed this former smelter into a beautiful park.

Local stories say that if you drink from this well, you will return to Olympia.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

This monument pays tribute to the city’s contribution to basketball history.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The modern birthplace of Irish freedom.