This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Hut with supplies for shipwreck survivors.

According to legend, Bob Dylan sneaks in twice a year to eat dinner with Jack.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

"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."

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

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

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Cryptic messages embedded in the New York City sidewalk.

Avoid gangster interaction while window-shopping.

A bit of retro transportation flair preserved in the world's largest department store.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The "Seinfeld" diner.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Elevated freight railway turned wildly successful urban park.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This restored house is like a time capsule of the president's unconventional inauguration.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.