A layered tribute to the work of mosaicist Isaiah Zagar.

Dr Barnes' $25 billion private collection of art and arboretum.

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

This elaborate towering structure was once famed for its revolutionary height.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

This replica of the Greek structure is in the heart of Nashville.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The second oldest continuously operating bar in Louisiana.

Beer lover's can-covered house.

The celebrated eyesore created by starry-eyed sweethearts.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

This futuristic German television spire is actually the world's largest digital clock.

A preserved college lock-up that recalls a clubhouse approach to discipline.

The last bastion of Roman presence north of the Alps looms over a German town.

Constantly maintained, this organ is playing a six-century long composition by John Cage.

Twisted buildings adorn the banks of the Rhine river.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A fascinating insight into daily life in the Eastern Bloc.