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

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

An abandoned beach resort in Normandy reclaimed by artists.

The smallest port in France is named after the pirate who created it.

A beautiful lighthouse with as many steps as days in the year, as many windows as weeks, and as many levels as months.

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

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

The history and future of cannabis.

According to local legends, the shallow sandbar that allows visitors to walk across Orhaniye Bay has a tragic backstory.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

These skilfully executed, poignant works of art dot a verdant Scottish dell.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

Drink wine handed out through a window as part of an age-old tradition.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The oldest operating pharmacy in the world features 800-year-old recipes.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

This star-shaped military outpost is now simply trying to protect itself from neglect.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.