This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

This ancient theater was once the home of fierce gladiatorial battles.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

Historic medieval fortified city in southwest France.

The world's largest reflecting pool is just two centimeters deep.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

In France, a medieval-style home pays homage to an intrepid explorer who discovered Québec.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

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

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

The hallucinogenic center of the ancient world.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A fountain standing as a testament to a doomed alliance.

A marvel of Byzantine engineering under the streets of Istanbul.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.