Village situated on a narrow volcanic escarpment.

Cliffside houses provide a spectacular view from their perch above the valley.

An architect transformed this abandoned cement factory into his castle-like workshop.

A temple to modernity, tucked away amid Barcelona's more well known museums.

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

An abandoned town of skeletal wooden homes.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Bacteria and algae give the salty water its bubblegum hue.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Unusual, mushroom-like rock formations caused by weathering and water erosion, set to disappear, according to geologists.

An early-20th-century "dacha" village of quaint cottages curiously located in a modern part of Moscow.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A giant portrait of an ancient king looms over the river.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

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

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

Wonderland replication in progress by one persistent man.

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.

A Marxist summer camp full of fantastical statues lies tucked away and forgotten in the forests of Moscow.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.