16 Must-See Stops Along I-90 in South Dakota for the Ultimate Road Trip

If you think I-90 in South Dakota is just miles of open road, think again. This stretch of highway is packed with wild, weird, and downright jaw-dropping stops you won’t want to miss.

Where else can you see prehistoric giants, larger-than-life roadside attractions, and some of the most breathtaking scenery in the country—all in one drive? Whether you’re chasing adventure, history, or the perfect road trip snack, this route delivers.

From the legendary Wall Drug to the rugged beauty of the Badlands, every mile holds a new surprise. And let’s be honest—no road trip is complete without a few quirky detours.

So gas up, cue your favorite playlist, and get ready to explore 16 must-see stops along I-90 that will turn your drive into an unforgettable adventure.

Mount Rushmore National Memorial

Carved into the granite face of the Black Hills, the iconic Mount Rushmore National Memorial is a testament to American history. Four U.

S. presidents – George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln – watch over the landscape.

Visitors can explore the Presidential Trail for close-up views. The museum offers insights into the monument’s creation, while the evening lighting ceremony adds a magical touch.

Don’t forget to stop by the gift shop for unique souvenirs. This landmark is more than a photo op; it’s a symbol of national pride and history.

Badlands National Park

Step into another world at Badlands National Park, where dramatic landscapes captivate the senses. The park’s rugged peaks and deep canyons are the perfect backdrop for hiking and photography.

Wildlife enthusiasts can spot bison, bighorn sheep, and prairie dogs along the scenic drives. The Fossil Exhibit Trail offers a glimpse into the area’s prehistoric past.

Sunrise and sunset transform the rocks into a kaleidoscope of colors. This natural wonder inspires awe with its unique beauty and geological history.

Adventure awaits around every corner in this breathtaking park.

Wall Drug Store

Wall Drug Store is a legendary stop that has been entertaining travelers since 1931. Known for its quirky attractions and free ice water, this roadside haven offers a mix of shops, restaurants, and art galleries.

Visitors can snap photos with a giant jackalope or enjoy homemade donuts and pie. The Western-themed decor adds charm and nostalgia.

Take a break in the backyard with its mini-museum and splash pad. Wall Drug is more than a pitstop; it’s a beloved tradition for travelers seeking a taste of Americana.

Minuteman Missile National Historic Site

History buffs won’t want to miss the Minuteman Missile National Historic Site. This intriguing stop offers a peek into the Cold War era, showcasing decommissioned missile silos and educational exhibits.

The Delta-01 Launch Control Facility and Delta-09 Missile Silo provide guided tours that delve into the tense history of nuclear deterrence. Interactive displays and knowledgeable rangers bring the history to life.

It’s a powerful reminder of a bygone era and the importance of peace. This site offers a unique perspective on military history and global politics.

Corn Palace

Mitchell’s Corn Palace stands as a quirky testament to agricultural creativity. Each year, this unique landmark is adorned with new murals made entirely of corn, grains, and native grasses.

Inside, visitors can explore exhibits celebrating South Dakota’s agriculture and community spirit. The Corn Palace Festival adds a lively atmosphere with music, food, and entertainment.

It’s a fun and educational stop that highlights local culture and ingenuity. Don’t miss the chance to see this ever-changing masterpiece, a true symbol of the region’s farming heritage.

Crazy Horse Memorial

The Crazy Horse Memorial is a monumental tribute to Native American history and culture. This ambitious project, still in progress, honors the Oglala Lakota warrior, Crazy Horse.

Located in the scenic Black Hills, it’s the world’s largest mountain carving. The visitor center offers a rich array of exhibits and educational programs.

Witness the ongoing work on the sculpture, symbolizing the enduring spirit of Native Americans. The night laser show adds a spectacular touch.

This site is a profound exploration of heritage and artistic vision.

Custer State Park

Custer State Park is a paradise for nature lovers and outdoor enthusiasts. Home to a diverse range of wildlife, including a famous herd of bison, this park offers endless opportunities for exploration.

Scenic drives like the Wildlife Loop Road provide unforgettable views, while hiking trails lead to hidden gems. The annual Buffalo Roundup is a must-see event.

Visitors can enjoy fishing, camping, and picnicking in this tranquil haven. Experience the beauty and tranquility of South Dakota’s largest state park.

Pioneer Auto Show

Car enthusiasts will find the Pioneer Auto Show a delightful detour. This expansive museum features over 300 vintage cars, motorcycles, and antique memorabilia.

From classic models to unique rarities, the collection spans decades of automotive history. The quirky displays and knowledgeable staff enhance the experience.

Visitors can also explore memorabilia from movies and pop culture. It’s a nostalgic journey through the evolution of transportation.

This attraction offers a fascinating glimpse into the past for gearheads and history buffs alike.

Sturgis Motorcycle Museum & Hall of Fame

Sturgis Motorcycle Museum & Hall of Fame celebrates the storied history of biking culture. Located in the heart of downtown Sturgis, this museum showcases a diverse collection of motorcycles and exhibits.

From vintage bikes to custom creations, the displays offer a journey through two-wheeled history. The Hall of Fame honors influential figures in the world of motorcycling.

Enthusiasts can delve into the stories behind iconic brands and legendary riders. This museum is a must-visit for anyone with a passion for motorcycles and their cultural impact.

Spearfish Canyon Scenic Byway

Nature’s artistry is on full display along the Spearfish Canyon Scenic Byway. This picturesque drive offers breathtaking views of towering limestone cliffs, vibrant forests, and cascading waterfalls.

Outdoor enthusiasts can enjoy hiking trails leading to scenic overlooks and hidden treasures. Spearfish Falls and Roughlock Falls are popular stops for stunning photo opportunities.

The canyon’s diverse ecosystem supports a rich variety of wildlife. This serene byway is a captivating escape into the beauty of South Dakota’s natural landscapes.

Deadwood

Step back in time in the historic town of Deadwood, where the Wild West comes alive. This lively destination is famed for its gold rush history, saloons, and gaming halls.

Visitors can walk the storied streets and explore landmarks like the Adams Museum and Mount Moriah Cemetery. Reenactments and festivals add excitement to the atmosphere.

With its rich history and vibrant nightlife, Deadwood offers a unique blend of old and new. It’s a destination where history and entertainment meet in delightful harmony.

Reptile Gardens

For an exotic adventure, head to Reptile Gardens, home to one of the world’s largest reptile collections. Visitors can marvel at snakes, lizards, and crocodiles up close.

Interactive shows provide thrilling insights into the world of reptiles. The beautiful botanical gardens and Sky Dome add to the attraction’s charm.

It’s a fun and educational stop for families and wildlife enthusiasts. With its diverse exhibits and engaging presentations, Reptile Gardens offers an intriguing look at our scaly friends.

Bear Country USA

Bear Country USA offers a drive-through wildlife park experience like no other. This unique attraction allows visitors to see North American wildlife up close, including bears, elk, and wolves.

The winding road takes you through diverse habitats, providing a rare opportunity to observe animals in their natural environment. The Babyland area is a highlight, featuring adorable bear cubs.

It’s a perfect destination for families seeking an unforgettable adventure. Bear Country USA provides a safe and thrilling way to connect with wildlife.

Black Hills Caverns

Venture underground at Black Hills Caverns, where stunning formations reveal the wonders of geology. Guided tours lead explorers through winding passageways filled with stalactites and stalagmites.

The caverns offer a fascinating glimpse into the Earth’s natural history. Knowledgeable guides share intriguing stories and insights, making the experience both educational and exciting.

It’s a subterranean adventure that’s perfect for curious minds and geology enthusiasts. Discover the hidden beauty of the Black Hills beneath the surface.

Mitchell Prehistoric Indian Village

Explore ancient history at the Mitchell Prehistoric Indian Village, a fascinating archaeological site. This living museum invites visitors to witness ongoing excavations and discover artifacts from the past.

The Boehnen Memorial Museum offers engaging exhibits and interactive displays. Visitors can learn about the lifestyles of the Native American cultures that once thrived here.

The hands-on archaeology dig is a popular activity for families. It’s a unique opportunity to connect with history and uncover the mysteries of the past.

SculptureWalk Sioux Falls

Art and culture meet in the vibrant SculptureWalk Sioux Falls. This outdoor exhibit features an impressive collection of sculptures by talented artists.

Strolling through the streets, visitors can admire diverse artworks ranging from abstract to realistic. The installations change annually, ensuring a fresh experience each year.

Brochures and guided tours offer insights into the artists and their creations. It’s an inspiring way to engage with public art and explore the city.

SculptureWalk Sioux Falls celebrates creativity and community in an inviting setting.