This "floating railway" is one of the world's oldest monorail systems.

Unable to build support structures on glaciers, the engineers for this tramway were forced to design a unique system.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

A fortified palace in the shape of a ship on the Thiou river.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This ancient Spanish castle sits high upon a hilltop.

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

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

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A sunken idol welcomes parishioners to Davy Jones' Locker.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.