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

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

Huge standing stones mark a site of megalithic mystery.

Obelisks and stone pineapples in the Irish countryside.

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

Local legend says the remains of Father Christmas lie within the medieval grounds.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

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

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

A remarkably intact castle that once was the largest in Ireland.

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

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

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

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Largest lake in Great Britain measured by surface area.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

These fantastically named natural pools look like something out of a Scottish myth.

The fountain marks the area where hundreds of accused witches were burned at the stake.