A church that bred legends, and served as an inspiration for the Da Vinci Code.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

Macbeth's infamous "Great Birnam Wood."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The pan man stands as a testament to the functionality of American cast iron cookware.

Follow the steps, and this roadside artwork will teach you how to dance.

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

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

The oldest continuously occupied public building in the United States.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

A bizarre house filled with an astounding array of collections.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

A military museum and library dedicated to the citizen soldier.

This historic hotel invented the chocolate brownie.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

Two small markers remember the Alamo's feline protectors.

A 131-year-old wunderkammer of Texas history.