This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

Bacteria and algae give the salty water its bubblegum hue.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

Trek up this glacier before it disappears.

The world's largest reflecting pool is just two centimeters deep.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

An icy lake tucked among jaw-dropping alpine panoramas.

Historic medieval fortified city in southwest France.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The oldest stone house in Paris was built by its most famous alchemist.

France's most famous cemetery, with some of its most curious tombs.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.