Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

Eighty million natural history specimens call this gargantuan museum home.

The atmospheric road was never meant to be so creepy.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

Ibi's pioneering toy factory now houses two small but mighty museums.

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

Tools, pottery, and mummies showcase the history of La Palma's native people.

A contemporary art installation housed within a Gothic cathedral.

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

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The once highest point in China blends symbolic design with a kick of adrenaline.

Why walk on this historical site when you can zoom down instead?

The most famous location in China was home to whole dynasties worth of imperial rulers.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.