An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

Wonderland replication in progress by one persistent man.

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

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

This cemetery features modernist statues as strange as its name.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A gorgeous stone viaduct crosses over a bucolic valley.

An abandoned 19th-century iron factory perched along the outskirts of an idyllic village.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

An unusual cave filled with rare alien-looking aragonite formations.

The ruins of a 13th-century monastery that long served as a place of refuge from wars and raids.

After 11 years of reconstruction work, Slovakia's finest hilltop chapel complex is finally reopen to the public.

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."