This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

Amazing Roman mosaics discovered by accident, in 1989, during some street furniture works

A historic cavernous cistern lies hidden behind a wall at San Marino’s stamp and coin museum.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

This uniquely designed bridge served as the city gate for Comacchio.

A memorial to the deadliest terror attack during an unsettled period of Italy’s recent history.

The wreckage of a tragic plane crash is on display at this museum devoted to a famous Italian conspiracy.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

The first transatlantic wireless communication between the U.S. and Europe took place here in 1903.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

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

A historic coal mine that doubles as a museum and tourist attraction.

Home of a 28-foot tall stalagmite known as the War Club.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The tallest statue in Italy is also one of the world's tallest statues of Jesus.

Two of the few remaining life-sized Greek bronzes were submerged in the sea for over 2,000 years.

A study of Fascist era Art Deco design in Italy.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

Thousands of well-dressed mummies below a monastery.