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

This landmark cemetery in Boston was created more than 300 years ago.

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

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

Sports history, made in the Arroyo Seco.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

The oldest orange tree in California spawned a generation of citrus farmers.

Malibu's first beach home features an astonishing trove of ceramic tiles.

Thousands of turbines whir at at the origin of North American wind power.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

"The Star Factory" cranked out Hollywood stars like nobody's business.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

Frank Lloyd Wright died a year before construction on his largest public project even began.

The Southern California pop sounds of surf and sand were born right here.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.