This neolithic stone grave has been altered and restored so often its now more neo than lithic.

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

The stately remains of Llywelyn the Great's mighty fortress.

According to legend, this bell once belonged to a kingdom now lost beneath the waves.

In a boatyard near Aberdyfi is a nautically inspired work of art.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

Three bridges straddle a stream, one stacked upon the other.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

On the coast of Sardinia, a once-great mining village is finding new life as a coastal resort town.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

An eerie gravel road full of shards of red bricks leads to the ruins of a deserted factory.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.

Stalactites and stalagmites in a beautifully lit cave.

A striped 12th-century basilica sits in the countryside of Sardinia.

This weird, elephant-shaped rock also hosts two ancient tombs.

At an estimated 3,800 years old, this olive tree is one of the oldest on earth.

Mysterious tombstones thought to be remnants of Atlantis.

A single oak tree rises out of the waters of Loch Lomond.

The oldest trees in Northern Germany.