Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This room of wonder is full of relics, from knights in armor to rare works of art.

An oasis of beauty, tranquility and botanical research in the middle of Rome.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

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

Plaques on its facade commemorate the Tiber's most destructive deluges.

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

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

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

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

This ancient market is often referred to as the oldest shopping mall in the world.

A forgotten "city of water" underneath the famous Trevi district.

2300-year-old Roman road connecting the empire.

Architectureal fantasy quarter of Rome.

Despite their macabre past, these hooks are said to bring good luck to those who touch them.

A 16th-century horror show built in a lovely Italian garden.

Stumbling upon this whimsical wooded garden is like stepping into an enchanted forest full of philosophical musings.

Anatomical cabinet holds unexpected treasures.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.