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

The world's only flying boat museum honors a small Irish village that sent 20th-century aviation to new heights.

Ancient Bronze Age rampart that was used into the middle ages.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

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

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

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

Though they've since been renamed, these two streets hint at Dublin's darker days.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

Behemoth, cannon-like telescope operated by generations of Irish earls.

Certain traditions prevail on the least-visited island of the Aran Islands.

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

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

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

Huge standing stones mark a site of megalithic mystery.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

This single room has survived the centuries with almost no deterioration.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

An unusual manor of stunning beauty, born out of a crippling disease.

An ancient neolithic tomb that only sees the sun twice a year.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.