A church that bred legends, and served as an inspiration for the Da Vinci Code.

The trials and tribulations of marking Poe's grave.

An unusual round church in London with a Templar past.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A museum dedicated to exhibiting remarkable outsider art.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This Scottish burial tomb once held hundreds of ancient eagle bones.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

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

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

The final resting place of the poets Shelley and Keats.

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

The oldest stone house in Paris was built by its most famous alchemist.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Elevated freight railway turned wildly successful urban park.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The final resting place of New Orleans' most famous voodoo priestess.

Famously misunderstood wonder of the ancient world

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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