Real bones which are said to have belonged to a Polish dragon.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The silly symbol for an underground protest group is now scattered around the city.

A World War II torpedo launch station abandoned off the Polish coast.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

A striking public sculpture representing the period of martial law in Communist Poland.

Museum dedicated to "the man who moved the Earth."

Some of the saint's blood and bones are said to reside in Dublin.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

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

A forsaken wonder in the middle of the East Side neighborhood.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

Ruins of a once-prized railroad station in New York.

The seat of Buffalo government is a gorgeous Art Deco palace.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

Ancient Bronze Age rampart that was used into the middle ages.

The modern birthplace of Irish freedom.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

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.

Huge standing stones mark a site of megalithic mystery.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.