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

A network of sandy streets lined with verdant fukugi trees weaves throughout this tiny seaside town.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

The enigmatic stone has towered over a Northern Ireland town for thousands of years.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

Legend says the water within these mysterious sacred springs stays cold even when boiled.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

A unique waterfall that some believe attracts the fairfolk.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

Just another ancient, mysterious Irish stone circle.

This tiny island is home to the world's largest colony of Northern gannets.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

A hugely vast Irish landscape of barren rock that stretches for miles.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.