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

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

The ruins of a medieval monastery named after a type of tree.

The remains of a 13th-century Franciscan friary have survived multiple attempts at destruction, most recently in 1921.

The largest stone circle in Ireland.

This natural sea arch highlights Ireland's rugged coastal beauty.

Huge standing stones mark a site of megalithic mystery.

One of the oldest lighthouses in the world, this structure was built more than 800 years ago.

Just another ancient, mysterious Irish stone circle.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

A stunning medieval castle owned and restored by the famed actor Jeremy Irons.

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

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Horse cemetery on the grounds of Blarney Castle.

This 19th-century prison once held Irish revolutionary Constance Markievicz, writer Frank O’Connor, and a nine-year-old pickpocket.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

Positioned outside a church, this sinister folkloric figure incited protests in both 1902 and 2002.