A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

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 small but very fascinating fountain in the center of Rome with four books and a deer carved.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Drink wine handed out through a window as part of an age-old tradition.

A plaque on the base of this statue holds a bewitching design.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

This saucy statue once caused outrage among locals.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This garden houses the remains of the ancient Greek port of Marseille.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

A single oak tree rises out of the waters of Loch Lomond.

Largest lake in Great Britain measured by surface area.

The building where Mary, Queen of Scots was said to have bathed in white wine.

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

This stack of stones honors a murdered 18th-century woman.

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

Legend says this rock was once a chopping block for public executions.

It's said this was once the home of King James V's pet lion.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.