There are eight natural springs around town, each with a slightly different taste.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

One of the largest underground systems runs under Canada's largest urban center.

This Native American settlement dates back to the Pueblo II period.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

A building so large that it has its own weather.

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

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

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

These spartan apartments are provided to clergymen visiting Vatican City.

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

Breathtaking and huge 430 year old maps of Italy.

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

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

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.

This bronze boy sits on one of Capri's rocky cliffs, waving at the passing boats.

This clifftop arch is a natural stunner.

The Emperor Tiberius' palace of debauchery.

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

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

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.