A memorial to the late U.S. Senator Paul Wellstone, who died at this location, along with seven others, in a plane crash in 2002.

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

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

This tiny Minnesota city tried to secede from the Union as a last-ditch effort to fix its crumbling water system.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

This 25-foot-tall statue was built as a protest to a property dispute.

Home to a 26-foot-tall statue of an American icon.

This Wild West attraction is alive with glitching automatons.

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

This metal shop's yard is filled with cutout art including an Eiffel Tower replica and Noah's Arch.

This friendly fellow was built to honor an advancement in mineral processing.

Its collection contains relics from the devastating disaster that set the town ablaze.

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

This restaurant proudly displays bread signed by the 39th president.

A registered historic landmark shrouded in unsettling local legends.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

A town pays homage to its namesake.

World's smallest skyscraper, the product of a remarkable con.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

Where Santa Claus held up a Texas bank and started a statewide manhunt.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.