The hidden ruins of an old hydroelectric plant reclaimed by nature.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

Rare karst landscape eroded from a flat seabed.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Bacteria and algae give the salty water its bubblegum hue.

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

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