The 25th President's marble casket can be visited in this classical Ohio tomb.

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

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

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

When a guy acquired a free church, he hauled it away piece-by-piece to make it the tasting hall at his vineyard.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The prototype for all Nazi concentration camps.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

A church of bones, decorated with 40,000 human skeletons.

An enormous and lavish Gothic church in Czechia.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The patron saint of spinsters grasps a container of dried blood.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of Paul Revere's historic two lantern warning.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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