Mysterious rocks that ring musically when struck.

This artsy public restroom is shaped like a giant john.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

The ancient tomb acts as a calendar that keeps perfect time.

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

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

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

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

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

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

A stone wall that mysteriously moved three feet from its foundation.