A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

The only arched bridge made of stone on the entire Mississippi River.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This massive roadside mascot was the first version of the giant to illustrate his butt.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

These curious caverns have been home to mushrooms, gangsters, and disco.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

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

St. Augustine's record-setting narrow street was designed to protect against pirates.

Like Mardi Gras, only everyone's a pirate.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

It's a pretty creepy lock-up.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A haunted hill that supposedly defied gravity.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The "lovely red Vega" of the legendary record-settling pilot.