A massive marble foot is tucked away in a small alley near the Pantheon.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

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

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

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

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

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

A modern sliver of architecture in Roma.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

A fairy tale castle in modern Rome.

Jesus' footprints and the first catacombs in the world.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

Brace yourself for the slowest, scariest, most spectacular drive, down the Drakensberg Escarpment.

The alley connecting two of country music’s most historic venues has a rich history of its own.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

This 1920s Dutch barge is now a floating bookstore.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.