This historic national park is covered in the stunning ruins of red rock pueblos.

A geological mystery on Camelback Mountain.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This historic hotel invented the chocolate brownie.

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

Home to three historic ships from the age of Vikings.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This subterranean funicular is one of the world's smallest subways.

A clear example of the process of erosion in action.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A Roman-style column in Oregon hides a spiral staircase inside.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The largest body of water in Massachusetts annihilated four small towns just to slake Boston's thirst.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

There aren't too many operational funiculars around, but Pittsburgh has two!

Deep scars on the earth left by the Ice Age.

"Where the ducks walk on fish."

When a guy acquired a free church, he hauled it away piece-by-piece to make it the tasting hall at his vineyard.

The spectacular collection of one of the world's best woodcarvers.

The 25th President's marble casket can be visited in this classical Ohio tomb.