Badlands & Western Plains

East of Rapid City, the Black Hills give way to wide-open prairie. Then, almost without warning, the ground drops, twists, and rises into something completely different.

This day trip follows I-90 east before looping back through Badlands National Park, where layered formations, sprawling grasslands, and roadside overlooks turn the return drive into the main event. Along the way, explore aviation and Cold War history, get a closer look at the landscape inside the park, and finish with a South Dakota road trip classic at Wall Drug.

Start early. There is a lot of ground to cover, and out here, the horizon has a habit of pulling you a little farther down the road.

Start With a Little Air Power

Head east from Rapid City toward Box Elder, where your first stop brings you face to face with South Dakota's aviation history.

The South Dakota Air and Space Museum, located just outside the main gate of Ellsworth Air Force Base, explores the aircraft, people, and missions connected to the base and the region's military history. Exhibits continue outdoors, where dozens of aircraft give you the chance to get close to machines that once filled the skies.

It is also a fitting introduction to a day that will soon take you deeper into South Dakota's Cold War story.

Local tip: Admission to the museum is free. Check current operating days and hours before your trip, as schedules can change throughout the year.

Follow I-90 Into the Cold War

Keep heading east on I-90 until the prairie stretches in every direction and Exit 131 appears ahead.

Here, Minuteman Missile National Historic Site tells the story of a time when hundreds of nuclear missiles sat hidden beneath the Great Plains. The National Park Service site preserves places connected to the Minuteman system and the people responsible for maintaining America's nuclear deterrent during the Cold War.

Start at the visitor center just north of I-90, where exhibits provide the context behind a landscape that once held far more than meets the eye. The historic Delta-01 Launch Control Facility and Delta-09 missile silo are also preserved along a 15-mile stretch of interstate.

Then cross back over I-90 and leave the interstate behind.

The Badlands are next.

Enter the Badlands From the East

From Exit 131, follow Highway 240 south for about 3 miles to the Northeast Entrance of Badlands National Park. Entering here lets you experience the park from east to west, slowly working your way back toward Rapid City instead of retracing your drive on the interstate.

The first glimpse is only the beginning. Jagged pinnacles and deeply eroded formations stretch across a landscape where prairie and stone seem to collide.

Follow Badlands Loop Road west and resist the urge to rush.

This is one of those places where every bend seems to come with another reason to pull over.

Get the Lay of the Land at Ben Reifel Visitor Center

Before diving deeper into the scenic drive, stop at the Ben Reifel Visitor Center, the main visitor facility in the park's North Unit.

Talk with a ranger, explore exhibits, browse the bookstore, or take a look inside the Fossil Preparation Lab. The visitor center is also a good place to learn how ancient mammals, changing climates, erosion, and millions of years of geology shaped the landscape waiting outside.

Several trails are nearby if you want to trade four wheels for two feet before continuing west.

Local tip: Give yourself a little flexibility here. A quick visitor center stop can take 15 minutes, while exhibits, ranger conversations, and nearby trails can easily turn it into an hour or more.

Let Badlands Loop Road Steal the Show

Now comes the part of the itinerary where the road itself becomes the destination.

Badlands Loop Road winds west through the park's North Unit, connecting a series of overlooks where you can step out and watch the landscape change with the light. Some views plunge into deeply carved formations. Others stretch across mixed-grass prairie toward a horizon that seems impossibly far away.

There is no single overlook you have to choose. Stop when something catches your eye, then stop again when the next view somehow looks completely different.

Panorama Point, Bigfoot Pass, and other overlooks along the route offer changing perspectives across the formations, while wildlife can make an appearance almost anywhere along the drive. Badlands National Park is home to bison, bighorn sheep, prairie dogs, and other prairie wildlife.

Take your time. The point of this road is not how quickly you can reach the other side.

Local tip: Morning and late afternoon light can bring out even more color and texture in the formations. The National Park Service highlights several spots along the loop for sunrise and sunset viewing.

Follow the Signs to Wall Drug

Eventually, Badlands Loop Road leads you toward Wall, and chances are you have already seen a few signs telling you exactly what waits there.

Make Wall Drug the final big stop of the day.

What began as a small drugstore purchased by Ted and Dorothy Hustead in 1931 became one of South Dakota's most famous roadside attractions after the family began offering free ice water to travelers crossing the hot prairie. More than 90 years later, the water is still free, and Wall Drug has grown into a sprawling collection of shops, dining, Western art, and wonderfully unexpected roadside fun.

Grab a homemade doughnut. Order a cup of 5-cent coffee. Wander through the Western Art Gallery. Find the giant jackalope. Pick up the souvenir you did not know you needed.

After a day filled with aircraft, nuclear history, ancient geology, and endless prairie, leaning all the way into a South Dakota roadside legend feels about right.

Local tip: You have been seeing the signs all day. At this point, you pretty much have to stop.

Bring It Back to Rapid City

From Wall, jump back onto I-90 and point the car west toward Rapid City.

The drive home retraces the prairie you crossed that morning, but after a day in the Badlands, it rarely looks quite the same.

You will have stood beneath historic aircraft, uncovered a Cold War story hidden beneath the plains, watched millions of years of geology unfold from the driver's seat, and answered one of South Dakota's most persistent roadside invitations.

Then it is back to Rapid City for dinner, a comfortable bed, and another direction to explore tomorrow.