This peculiar lake of pitch is so thick and viscous that one can walk on its surface.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

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

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.

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

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

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

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

Modern sundial uses ancient methods to tell time and date perfectly.

A moody and picturesque riverside ruin overgrown with vegetation.