A small village in two different countries.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

One of the few surviving street funiculars in the world.

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

Neolithic burial chambers hidden beside a village school.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

These quintessentially English stepping stones were built for Victorian tourists.

This tall stone wall with no door and ill-matched windows was built centuries ago, and used as a shelter for domesticated pigeons.

The seaside ruins of an ancient salt production facility.

Quirky Welsh observatory unites art and science.

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

Greenery covers the face of a gently-dripping waterfall deep in the mountains of central Sardinia.

Packed with geological formations, an ancient river, and taxidermied seals, this overlooked coastal cave system is worth a spelunk.

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

Ancient cave tombs known as the "houses of fairies."