This free, take-a-book shop seems like a trick but isn't.

Trinkets and toys lovingly handmade by maximum security prisoners.

North America's oldest authentic African Village.

Oldest unrestored plantation house in America that is open to the public.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Elvis's own personal tropical hideaway.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

Developed by focused shutterbugs, this museum exposes visitors to more than 6,000 different cameras.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

One street divides a single town that stands in two U.S. states.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This university transit system is a 1970's vision of the future.

More than 5,000 contemporary and "historic" mustards from around the world.

America's post-nuclear-attack chambers of Congress.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Robots, lasers, and whoopee cushions, oh my!

A bizarre house filled with an astounding array of collections.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.