The only surviving prototype for Buckminster Fuller's house of the future.

Trinkets and toys lovingly handmade by maximum security prisoners.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

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

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

The birthplace of America's favorite fruit-flavored mystery dessert.

Why have you never heard of the second most popular tourist site in New York?

A bit of retro transportation flair preserved in the world's largest department store.

Sniff the Titan Arum's rotting flesh.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

The world's largest piece of copyrighted artwork.

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

Impossibly life-like natural history models created out of glass by a father and son.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.