Historic funicular railway, believed to be the shortest railroad in the world.

The legendary building that needed ghostly approval before being built.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

Constructed in the 1920s, this former pencil factory is now an office building.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

An artist's cute bronze subway sculptures belie his violent artistic past.

One of the best places to see wild Colonial Spanish Mustangs in the United States.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Civil War Fort on an island in the Boston Harbor.

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

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.