The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

A stunning Victorian abbey and walled garden on a lakefront.

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

A sacred well steeped in Pagan roots on the West Coast of Ireland.

A moody and picturesque riverside ruin overgrown with vegetation.

Obelisks and stone pineapples in the Irish countryside.

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

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

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

One of Ireland's most infamous prisons for rebels including men, women and children.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A Byzantine-era church hidden in a wooded area below the Acropolis.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.

This 13th century Gothic brick castle is the largest in the world by surface area.

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.