An ornate tower shows off a local artist's architectural flair.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A whimsical bridge adorned with decorative dragons.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

Abandoned Nazi train station turned underground astroparticle laboratory.

Vibrant street art created with mixed media.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

A small Portuguese cottage formed between boulders in the countryside.

A modern English garden of eccentric beasts, follies, and oddities.

One of the oldest libraries in England, and one of the last of the great medieval chained collections.

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

Houses are tucked between, on, and underneath giant boulders.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A submerged village appears when dam levels drop.

Large Hadron Collider and the Birthplace of World Wide Web.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

Rising from the sea like a stone monster.

Medicinal spa created with the discharge from a geothermal energy plant.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The 953 windows undoubtedly make this the world's most beautiful screened porch.