Rome’s legendary 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.

A snapshot of the city's fascinating voodoo culture.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Remnants of a storybook amusement park hidden behind a strip mall.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

America's oldest archaeological site or a muddled case of wishful thinking.

One of the largest megalithic complexes in England, which local legend holds is a wedding party turned to stone by the Devil.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

Europe's largest prehistoric mound – burial site of a legendary king?

The largest stone circle in the world has ended up bringing up more questions than it has answered.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.