When the rain falls, this drain system turns into a musical instrument.

A stunning Victorian abbey and walled garden on a lakefront.

This beautiful site is where the first transatlantic telegraph was sent from.

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

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

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

A moody and picturesque riverside ruin overgrown with vegetation.

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

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

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.

A Beaux-Arts triumph set to become Ford's innovation campus

This sprawling bookstore spans four floors and has more than a million books in stock.

All that remains of a gigantic earth-moving machine.

An office built to look like a giant basket.

This massive airship factory is so large that it has its own indoor weather.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

This campus museum commemorates a national tragedy.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.