A diverse, expansive nature preserve in northeastern Kansas.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

The longest of the four remaining covered bridges in Missouri.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

One of America's first planned communities is preserved in a state park.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

A piece of John the Baptist in the American heartland.

A museum devoted to osteopathy and its creator, Andrew Still.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

A hundred-year-old museum filled with giant physics toys and experiments designed by grad students.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

More than 5,000 contemporary and "historic" mustards from around the world.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

This cave holds a surprisingly colorful variety of geological oddities.

Known for the tunnel that leads visitors to the water.

Running since 1864, this clock has yet to be wound, one of the longest-running science experiments known.

The premier place to experience the Victorian imagining of the steam-powered future.

A hidden gem of a museum that lets you search for your own fossils.

Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.