This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

This quaint museum lets you take a ride on its antique carousels.

Topeka has its own great wall, and it's covered in colorful images from the city's history.

One of the best examples of Art Deco architecture in the United States.

A half-size replica of the World Trade Center towers above Tulsa.

Over 600 acres of idyllic open grassland honor Nebraska’s georgic storyteller.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

A peaceful place in the woods where everything is a work in progress.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This recently restored timepiece has stood all around Kansas City.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

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

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

A eclectic collection of military memorabilia.

A unique blue and yellow phone booth in America's "Little Sweden."

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

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