Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

An old town theater converted into a celebration of the hobo legacy.

Ever wanted to can Spam?

A seemingly endless landscape of pure salt stretches far across Bolivia.

A massive underwater sinkhole made famous by Jacques Cousteau.

One of the deepest blue holes in the world.

Stay in a room with a view... of the bottom of the ocean.

A humid oasis combines recreation with exploration in a unique underwater cavern.

One of the most accessible undersea plane wrecks in the world.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

An underwater restaurant, surrounded by a coral reef.

One of the deepest indoor swimming pools in the world.

Northern Ireland's Brobdingnagian stepping stones.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

A terrific purveyor of natural history objects and curios.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

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

Narrowest house in Boston.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Museum dedicated to awful artwork.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.