An Irish Memorial commemorating those who perished due to potato blight.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

This abandoned radar site is slowly being taken back by the jungle, its mission cut short by the end of the Cold War.

A gorgeous gem on the ocean.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

This jail once controlled by the Japanese military now sits abandoned on a remote Pacific island.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This black shoreline is made up of exploded lava particles.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A Hawaiian stairway to heaven—that you can't climb.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

Ever wanted to can Spam?

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

Odd outsider art installations surround a Gold Rush-era ghost town.

The most magnificent bottle house in a town strangely full of them.