One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

The Emperor Tiberius' palace of debauchery.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

A lover's walk between hilltop towns, decorated with graffiti love notes.

The bomb-ravaged remains of of a colossal Neptune.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Venice's island of the dead.

Five candy-colored villages on the Italian Riviera.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Pompeii's less famous neighbor is still revealing her secrets.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

For a time this small Florida town of less than 1,000 residents was the national leader in dismemberment.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.