The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Steadily reminding Czechia of its past.

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

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

A beautiful but toxic fountain of mercury.

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

The oldest Roman lighthouse still in use.

Giant granite sculptures representing family on the northern coast of Spain.

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

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The earliest known map to show America, discovered by accident at a Paris bookshop.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

An ancient Egyptian temple in the middle of Madrid, Spain.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

Geological storytelling.

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