The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

No one knows the origins of the mysterious stone ruins discovered on a hillside in Halifax.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A memorial sculpture to heath hens stands on the spot where the last heath hen, Booming Ben, was last seen.

The pits used to load the nuclear bombs onto the aircraft that dropped them over Hiroshima and Nagasaki at the end of World War II.

The apartment building where JFK's assassin lived after defecting to the Soviet Union.

A 19th century family buried their dead among the pines, beneath gravestones styled after ancient Scottish cairns.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

The largest police museum in the western United States displays the evolution of crime-fighting Seattle.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

A remote gravestone on the moor marks the spot where a teacher's body was found under mysterious circumstances that remain inexplicable.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.