A place of great reverence for Trekkies everywhere, a hero's future birthplace.

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

Ever wanted to can Spam?

A toweringly silly piece of modern art has been delighting locals since the 1980s.

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

After the musical legend's death, his memorial was mysteriously graffitied in gold.

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

When flour explodes, it's not a pretty sight.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

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

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

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.