These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

A bare tree in Riga’s Esplanāde is transformed into an extraordinary vertical neighbourhood by scores of colourful bird nesting boxes clustered across its trunk and branches.

Successful single-handed, non-stop circumnavigation of the world in a sailing boat was a wish said to be granted at the well.

Murals created to save a fisherman's quarter from demolition!

Another beautiful spot in the hidden universe of Eames Demetrios.

The elegant ruined arches of a Franciscan friary in central Gloucester

The tomb of a deposed king that drew medieval pilgrims to Gloucester

The Gloucester shop said to have inspired Beatrix Potter's Tailor

Legends say that this small island was the final resting place of the Welsh saint of lovers.

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.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

This Welsh hotel is the spiritual home of the British 1953 Everest expedition, the first successful ascent of Mount Everest.

These precariously placed ruins harken back to a 13th-century castle.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

This water-powered cliffside railway is one of the steepest funiculars in the world.

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

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

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

One of the world's only places where tourists can make a trip in a submarine.

An abandoned textile factory on the "island of crows" was home to Estonia's first workers' strike.

An angel that hatched from an egg!

Seven dragon statues—including one that breathes real fire—are scattered throughout the streets of Krakow.

Spitfire airplanes with butterfly wings hover over Prague’s skyline.