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

"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."

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.

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

An eccentric inventor's castle home with its own indoor weather system.

The Boston square dedicated to the dark poet who was born nearby.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

Perfect your fly fishing technique on their practice ponds.

Home to one of the world’s largest collections of model yachts.

Only hotel where you can legally launder money.

A monumental cross hides in the trees in Golden Gate Park.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The miraculous hydrant that saved the Mission District in 1906.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A monument to the love people have for their pets.

Golden Gate Park's historic collection of plants.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.