An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

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

This single room has survived the centuries with almost no deterioration.

An abandoned faux-pub made famous by a Guinness commercial.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

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

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

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

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.

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

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

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A submerged archeological park still holds the wonders of a Roman Sodom.

The lake that fills and empties itself at random.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.