Unrepaired walls from a 1920 anarchist bomb attack.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

World's largest Christmas store.

The largest earthwork effigy in the world.

Deep scars on the earth left by the Ice Age.

Tour the oldest unrestored plantation house in America that is open to the public.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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.

The oldest operating pharmacy in the world features 800-year-old recipes.

A Nesting Doll of Churches.

Breathtaking and huge 430 year old maps of Italy.

Rebuilt remains of a temple to Roman god Mithras.

Go inside to really appreciate this 500-year-old technological masterpiece.