This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The Devil’s own choice when he needs a drink in Brussels.

Lavish royal estate punctuated with heated greenhouses.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

Vibrant street art created with mixed media.

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

This 47-story "M" needed 20 years to be completed

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

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

This house's itty bitty size means no humans allowed.

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

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

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

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

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

A huge cathedral single-handedly constructed by one eccentric monk.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

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

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

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

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