This Transylvanian church has changed its denomination four times.

This tiny German village has staked claim to being the center of the union following Brexit.

A lush indoor jungle fills this bustling Madrid transportation hub.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

A pair of gigantic baby heads greet passengers at Atocha Station.

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

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

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

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

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

This uniquely shaped 17th-century structure comes alive in early September.

The world's largest frame offers spectacular views of the city's past and present.

A "miracle" that seems to produce more holy fistfights than holy revelations.

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

Geological storytelling.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

One of the most important Celtic-Roman archaeological sites in Spain.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

This synagogue is covered in beautiful mosaics that explore the history of the Jewish people.