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

Folklore and history carved into Brittany's coast.

It's believed emperor Hadrian himself funded this once architectural wonder.

This ancient causeway can flood daily, leaving Mersea Island as a true island for hours at a time, and cutting its 7,000 residents off from the mainland.

This huge coastal nature reserve in Wales was a stand-in for the Arabian Peninsula in 'Lawrence of Arabia.'

The castle still holds traces of the abandoned Roman fort it was built atop.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

A Wild West saloon that helped define a generation of psychedelic rock.

Back in the day everyone who was anyone played this historic western theater.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

What once housed a private club catering to Comstock Lode elite is now considered one of the West’s most haunted spaces.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A massive sea stack famous for its appearance in The Goonies.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

An electrifying collection of gadgets and literature from the 16th through 20th centuries.

A marvel of Byzantine engineering under the streets of Istanbul.

A fountain standing as a testament to a doomed alliance.

Ancient serpentine sacrifice holder that has stood the test of time.

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

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.