These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The first American department store, and home to the largest operating musical instrument in the world.

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned stretch of highway, deteriorating next to the operational one.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

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

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A museum marks and documents the site of the Titanic's launch.

Northern Ireland's Brobdingnagian stepping stones.

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

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

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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

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

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

"Where the ducks walk on fish."

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.