Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

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

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

This unique museum is home to over 5,000 puppets of all types.

A study of Fascist era Art Deco design in Italy.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A tall karst islet popularized by 007.

In the Bahamas sits a lighthouse that is among the last of its kind.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.

A steamer run aground near Bimini lives a second life as a playground for scuba divers.

A full-scale sculpture of a mermaid and baby grand piano hidden underwater by David Copperfield.

The world’s largest underwater sculpture is found just off the coast of Nassau.

One of the deepest blue holes in the world.