The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Art and armour fill every inch of this rich kid's Italian villa.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

This is the oldest Roman-made bridge in the city still existing in its original state.

A huge enchanting public park just outside the ancient walls of Rome.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Perhaps the only one of its kind, the nearly-forgotten site once held mortal (and rigged) gladiatorial games between tigers and imperial war elephants.

One of three sites in England that house the National Collection of Arms and Armour.

The name of this suspended sculpture is Latin for "high horse," which is exactly what it is.

Winner of the Leeds Award for Architecture and the Environment.

This sculpture celebrates a boules tournament and the link between Leeds and its twin city Lille.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

These plaques located in a court preserve a small piece of Edinburgh's history.

The colorful stairs are made with marble from the world's major quarries.

Scotland's oldest purpose-built concert hall houses an incredible collection of ornate, centuries-old keyboards.

A building-sized painting of the renowned 19th-century American abolitionist.

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