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

Engineering ingenuity during the battle of Gibraltar.

Single runway interrupted by a busy road that cuts across its middle.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A slice through the original, iconic, rail bridge across the Menai Straights.

What was once the world's second largest slate quarry is now a surreal post-industrial landscape

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

One of the oldest suspension bridges in the world blends in perfectly with a medieval castle.

The castle still holds traces of the abandoned Roman fort it was built atop.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Memorial to the victims of the deadliest aviation incident in the UK

A remembrance of the local Scottish victims of the Lockerbie Bombing Incident in the now-restored neighborhood.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The most loyal of little dogs, or a Victorian era publicity stunt?

The final resting place of soldiers' loyal canine companions.

After playing in this house and its gardens as a child, J.M. Barrie credited it for helping inspire the story of Peter Pan.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

The patch of land below the memorial was gifted by the British to the United States.