A strip of modern stores in historic buildings.

A modest reminder of treacherous waters at the Golden Gate.

A winding path built in secret on the edge of the continent.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

A 300-ship graveyard, with a few still visible at low tide.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Commemorating the spot where the famous scientist fed his pigeons.

New York City's smallest piece of private property.

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

Iconic rock formations that allow for exploration during high or low tide.

One of only two commuter aerial tramways in the United States.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

Cryptid lake monster honored with its own monument.

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

The Vermont square that inspired Shirley Jackson's "The Lottery."

A man-made island in scenic San Francisco Bay.

A historic presidential getaway on the continental United States' southernmost island.

One of few lasting examples of the brief octagon craze that developed into folly.