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

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A winged-helmed, sword-brandishing tribute to German Americans.

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

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

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

The watery grave of an impractical idea.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

The first declared National Monument in the United States.

The world's largest Holstein cow.

A true roadside icon standing on the same plains that the herds once roamed.

This soaring sculpture and Sioux Falls landmark represents the leap of faith taken to make one's dreams come true.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The location of this small park was once the site of an infamous public morgue.

This demon atop the Notre-Dame de Paris looks utterly bored.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Two small markers remember the Alamo's feline protectors.