Best attractions and places to see in Iowa include a diverse range of natural features, cultural sites, and significant landmarks. The state offers unique geological formations like the Loess Hills and numerous cave systems, alongside major rivers such as the Mississippi and Des Moines. Visitors can explore a variety of historical sites, architectural marvels, and extensive trail networks. Iowa provides opportunities for outdoor activities and cultural immersion across its varied landscape.
Last updated: May 3, 2026
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The water that feeds Dunning Spring comes from near the base of the Galena Aquifer. Beneath this aquifer is the much less permeable Decorah Shale, which acts as a "confining bed" or "floor" for the aquifer. When the Decorah Shale is exposed near the surface of the land, particularly on the sides of river valleys, it causes groundwater to discharge. This process creates beautiful waterfalls and springs, such as Dunning Spring.
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About 465 to 470 million years ago, a meteorite struck near present-day Decorah, Iowa, creating a 3.5-mile (5.6 km) wide impact crater buried beneath the city's surface. Although this highlight is named “Decorah Impact Crater Marker”, at the time of my most recent hike to this highlight, on August 2, 2025, there was no marker or monument nearby. However, there is a large bronze medallion set in concrete marking the precise meteorite impact site located about 0.2 miles west-southwest of this highlight.. The marker can be found at GPS coordinates 43.31580, -91.77474. I have made this location a komoot highlight as well. The bottom of the impact crater now lies about 300 feet below the marker due to geological changes that have occurred over the millennia following the meteorite strike. The crater and its discovery are significant because it is one of fewer than 200 recognized impact structures on Earth. It has preserved a unique fossil record of ancient life, including the nearly 6-foot sea scorpion known as Pentecopterus decorahensis.
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The Clear Creek Trail is a paved, multiuse path that travels along a wonderful shaded stretch along its namesake creek. It's a great ride at any time of year, but during the autumn color season it really hits its zenith.
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Amenities & Points of Interest: fresh water spring, 8 acres tall prairie grass, trails for hiking, mountain biking, horseback riding, cross-country skiing, and snowshoeing (this is a natural wildlife area which is not developed for picnicking and camping) https://parks.decorahia.org/decorah-parks
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Park in the gravel area just south of the entrance to Dunning’s Spring Park. Walk to the waterfall and be sure to take time to walk across the stone bridge and climb the steps to view the source of Dunning’s Spring. To the right of the stone bridge is a steep trail leading up to a series of trails above Ice Cave Road. Dunning Springs is the site of a beautiful waterfall surrounded by limestone cliffs. The park features a walking path, scenic overlook, and bridge crafted by local stone mason, Ted Wilson. The trails throughout Dunning Springs and Ice Cave Park are numerous. Due to their complexity and technical difficulty, not all the trails are marked on printed maps. Talk to experts at the local bike shops about navigating this system. https://visitdecorah.com/trail/dunnings-spring-park/
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This bridge parallels the course of I-74 across the Mississippi River, keeping cyclists and other pedestrians safely away from the fast-moving vehicles. The bridge connects to cycleways on either side of the river, and also has a viewing area with an oculus.
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The Bob Kerrey Pedestrian Bridge is a 3,000-foot-long pedestrian bridge over the Missouri River between Council Bluffs, Iowa, and Omaha, Nebraska. It is a popular way for cyclist, runners and walkers to move between the two cities.
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Borderline between Iowa and Nebraska, ideal for a nice photo if you stand in both states.
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Iowa features several distinctive architectural landmarks. The Iowa State Capitol in Des Moines is notable for its five domes, including a gleaming gold one. You can also visit the historic High Trestle Trail Bridge, which illuminates with blue lights at night, or the Iowa Women of Achievement Bridge in Des Moines, featuring a glass floor section over the river. The Old Capitol in Iowa City, once the state's first capitol, is now a museum, and the iconic American Gothic House in Eldon is famous as the backdrop for Grant Wood's painting.
Iowa offers remarkable natural features. Explore the unique Loess Hills along the western edge of the state, one of the world's largest depositions of windblown silt, offering hiking trails and scenic overlooks. Dunning's Spring Waterfall provides a picturesque natural setting. Maquoketa Caves State Park boasts numerous caves and a six-mile trail system, while Pikes Peak State Park offers sweeping views of the Upper Mississippi River valley. You can also visit Effigy Mounds National Monument to see prehistoric animal-shaped mounds.
Yes, Iowa has several family-friendly attractions. The Heritage Trail Truss Bridge is a great spot for families. Maquoketa Caves State Park offers adventurous exploration suitable for various ages. The Dunning's Spring Waterfall is also a pleasant family destination. Additionally, the Iowa State Fair, held annually in Des Moines, provides a wide array of entertainment and activities for all ages.
Iowa is rich in history and culture. The Amana Colonies, a group of seven historic villages, preserve the communal life of German immigrants. The Herbert Hoover National Historic Site in West Branch includes President Hoover's birthplace and a museum. In Des Moines, the State Historical Museum of Iowa offers insights into the state's farming history. The National Czech & Slovak Museum & Library in Cedar Rapids explores immigrant heritage, and the Vesterheim Norwegian-American Museum in Decorah celebrates Norwegian culture.
Iowa offers a variety of popular trails for outdoor enthusiasts. The Clear Creek Trail is a paved, multiuse path suitable for all ages and skills. The Neal Smith Trail is a 26-mile paved, traffic-free path along the Des Moines River. For those interested in cycling, you can explore routes like the Raccoon River Valley Trail or the Chichaqua Valley Trail. Find more options for running, gravel biking, and cycling on komoot's dedicated guides: Running Trails in Iowa, Gravel biking in Iowa, and Cycling in Iowa.
Yes, several attractions in Iowa are wheelchair-accessible. The Iowa Women of Achievement Bridge, the Bob Kerrey Pedestrian Bridge, and the High Trestle Trail Bridge are all designed to be accessible. Paved trails like the Clear Creek Trail and the Neal Smith Trail also offer accessible options for enjoying the outdoors. Additionally, the I-74 Pedestrian and Bicycle Bridge and the Ten Mile Creek kingpost pony truss bridge are wheelchair-friendly.
Pella is a charming Dutch-inspired town known for its tulip gardens, windmills, and the popular Tulip Time Festival. The Amana Colonies offer a glimpse into a historic communal German settlement. Iowa City, a UNESCO City of Literature, is home to the University of Iowa and its renowned Writers' Workshop, as well as the Old Capitol Museum.
Iowa offers several scenic viewpoints. Pikes Peak State Park near McGregor provides sweeping views of the Upper Mississippi River valley. The High Trestle Trail Bridge offers expansive views of the Des Moines River Valley. The Fenelon Place Elevator in Dubuque provides panoramic views of the city and the Mississippi River. Additionally, the Bob Kerrey Pedestrian Bridge offers unique perspectives over the Missouri River.
Yes, film enthusiasts can visit the iconic Field of Dreams Movie Site in Dyersville, a popular pilgrimage destination for fans of the classic baseball film. The American Gothic House in Eldon is also a significant pop culture site, serving as the backdrop for Grant Wood's famous painting.
Near many of Iowa's attractions, you can enjoy various outdoor activities. The state offers extensive trail networks for cycling, running, and hiking. For example, you can find numerous routes for running, gravel biking, and general cycling. Explore detailed guides for these activities: Running Trails in Iowa, Gravel biking in Iowa, and Cycling in Iowa.
The best time to visit Iowa for outdoor activities largely depends on the specific activity. Spring and fall offer pleasant temperatures for hiking and cycling, with autumn providing vibrant fall foliage, especially along trails like the Clear Creek Trail. Summer is ideal for water-based activities at places like Lake Okoboji, though it can be warm. Winter offers opportunities for snow-related activities, but many outdoor trails may require appropriate gear.
Iowa is known for its unique bridges. The High Trestle Trail Bridge near Madrid is a half-mile-long, 130-foot-tall bridge that illuminates with blue lights at night. The Iowa Women of Achievement Bridge in Des Moines is a pedestrian bridge with a glass floor section over the Des Moines River. You can also walk across the Bob Kerrey Pedestrian Bridge, which spans the Missouri River between Iowa and Nebraska, allowing you to stand in two states at once.


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