A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

This hauntingly stark structure is a relic of an industrial past.

What happens when a sculptor has to find a way around a 100-year-old copyright.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

A free, public museum dedicated to the fascinating science of sight.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

The beautiful behemoth is one of the largest trees of its kind in the United States.

A faux European lane smack dab in downtown L.A.

Odd outsider art installations surround a Gold Rush-era ghost town.

These markers are used to determine the ground stability of the Strip.

Just below the surface, shrimp are producing temperatures hotter than the sun.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.