Go surfing on this urban wave, "hacked" by local surfers.

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

The scars of World War II are preserved on its walls.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

A small square plaque marks a failed assassination attempt that could have changed history.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

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

The taxidermy remains of the first brown bear to enter Germany in 170 years.

The prototype for all Nazi concentration camps.

A fearsome dragon clings to a corner of Munich's city hall.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

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

The footprint of a frustrated devil in Munich's Cathedral.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

In this relatively flat state the highest point is an honored place.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

The only Leonardo Da Vinci painting in the Western Hemisphere.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

The little-known final resting place of one of America's greatest writers.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

The legacy of a wealthy executive and his wife, this little-known art museum features works by Picasso, Monet, Renoir, Cezanne, and more.

This small hilltop church weaves the urban history of Washington, D.C. with the national history of the United States.

The National Park Service’s best-kept secret with views that rival any in D.C.