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

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.

A mysterious find dredged from Louisiana waters.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

The only rotating bar in New Orleans has been slowly spinning since 1949.

Massive still life just off the highway in Kansas.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

More than 8,000 drinking jugs say “Cheers!” to a guy named Toby.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This legendary urban waterfall creates a dazzling display of rainbows.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

Watch the newest land on the planet form before your eyes.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

A tunnel of hardened lava along Maui’s famous Road to Hana.