Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

One of a series of sculptures making a statement about sea-level rise in the United Kingdom.

Spend the night in this formerly abandoned traditional Scottish village.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

One of the few places where you can visit a cenote and Maya ruins at the same time.

A clear blue swimming hole with hidden caves, still unexplored.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Take a dip beneath the stalactites in this amazing cenote.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

The oldest scientifically dated tree in Europe lives on a remote cliff.

Concrete balls on wires constructed to stop train surfing in Indonesia.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The hallucinogenic center of the ancient world.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

An 18-meter-long sarcophagus of a constantly growing dead prophet.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

Eyam took steps to quarantine themselves and keep the plague from spreading.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

A magnificent, iconic stone tower in the Scottish Highlands.

This eatery is emblematic of the connection between Jamaica and Nubia.