The US Navy's only submarine museum is also home to the world's first nuclear submarine.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Last church of this militaristic WWII style.

The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

Civil War Fort on an island in the Boston Harbor.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

One of England's most famous churches hides a pair of little known architectural treasures.

Famously misunderstood wonder of the ancient world

Ice cream stand, snack bar, and time capsule of milk conveyance.

Oldest building in California still in use.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

The home, museum, and death site of Kodak's influential founder.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

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

Avoid gangster interaction while window-shopping.

The largest axe on the planet contains a time capsule that seems like it may never be discovered.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

The land is home to swimming ponies and a legendary 18th-century treasure.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Only known mainland rookery of the threatened Stellar sea lion.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.