Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

When ecosystems collide in the arid Southwest.

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

The history of funerals and funerary customs.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

A giant lumpy candle serves as a beacon for this highly scented pit stop.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

The largest historic preservation organization in the United States.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

The first spinning jail built in the United States is the only one that still turns.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

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

Most comprehensive museum in America devoted to one ethnic group.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

The remains of this visionary community can still be found much as it was a century ago.