Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

These picturesque ruins crumble beautifully into the ocean.

A circle stone within a stone circle.

The twists and turns of this serpentine maze are over 170 years old.

400-year-old garden, restored to beauty.

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

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

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

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Five candy-colored villages on the Italian Riviera.

The bomb-ravaged remains of of a colossal Neptune.

A popular day's outing in Bovington consists of watching military tank driving practice.

Grab a cuppa at England's first and only domestic tea plantation.

Beneath the city of Lourdes, France is a massive, concrete church.