Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

A little-known hot spring haven right below the highway.

This small oxbow lake has rare giant river otters and some Seussian-sounding birds.

The world's largest clay lick, where parrots gather to snack.

Recycling meets art in this colorful barricade.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

On a dusty county road sit the ruins of a ghost town's abandoned church.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.