The stunning Cataract Falls in Indiana.

7 Best Natural Wonders To Visit In Indiana This Year

Indiana’s natural beauty stretches far beyond its farmlands, showcasing caves, canyons, forests, lakes, and unique rock formations shaped across the ages. From the dramatic gorges of Clifty Falls to the vast underground chambers of Marengo Cave and the sweeping dunes along Lake Michigan, the state’s landscapes tell stories of both water and time. Preserved in parks and protected areas, here are the seven destinations that capture Indiana’s most captivating natural wonders, making them must-see spots for outdoor enthusiasts this year.

Indiana Dunes National Park

The Indiana Dunes National Park, Indiana.
The interesting landscape of the Indiana Dunes National Park, Indiana.

Indiana Dunes National Park, stretching 20 miles along Lake Michigan’s southern shoreline, is one of the Midwest’s most diverse landscapes. Encompassing 15,349 acres, it blends sweeping dunes, oak savannas, wetlands, and prairies. Evidence suggests that early Native American hunting camps existed in the region, with the Hopewell culture marking one of the earliest permanent settlements. Later, the 19th century saw scattered villages give way to European settlement and ambitious plans, such as City West—a “ghost town” intended to rival Chicago but abandoned during the 1837 economic panic. Today, waterways such as Dunes Creek, Trail Creek, and the East Arm Little Calumet River carve through the park, enriching its wetlands and feeding into Lake Michigan.

The park’s rich biodiversity includes over 1,400 plant species, 369 of them flowering, and an array of wildlife ranging from white-tailed deer to great blue herons. Seasonal beauty abounds—spring wildflowers blanket the forest floor, while summer unveils orchids and goldenrod. Visitors can explore trails like the Paul H. Douglas Trail or the dune-climbing Succession Trail for sweeping lake views. The most rewarding months to experience the park’s vibrant landscapes and inviting beaches are from late May through early September, when warm weather brings both scenery and shoreline to life.

Turkey Run State Park

Turkey Run State Park in Indiana
The Narrows Covered Bridge crosses Sugar Creek at the eastern edge of the Turkey Run State Park in Indiana.

Turkey Run State Park, Indiana’s second state park, has been captivating visitors since its establishment in 1916 during the state’s centennial. Located in Parke County along Sugar Creek, this rugged landscape is carved from Mansfield sandstone, shaped over millions of years by glacial meltwaters. Its name is thought to come from the wild turkeys that once gathered in the gorges, making them easy to hunt. The park is home to striking features like the Punchbowl on Trail 3, narrow canyons, glacial erratics, and remnants of old coal mines. History also weaves through the land with the Lusk Home and Mill Site, built in the 1800s and now listed on the National Register of Historic Places.

Modern-day adventurers can explore challenging trails linked by ladders, bridges, and sandstone passageways, or float down Sugar Creek by canoe, kayak, or tube. Towering hemlocks and waterfalls add to the scenery, while the inn, cabins, and campsites provide overnight stays. The most enjoyable season to experience Turkey Run’s full beauty runs from late April through early October, when the trails are clear, the forest is alive, and the water levels make for safe exploration.

Cataract Falls

The stunning Cataract Falls in Indiana
The stunning Cataract Falls in Indiana.

Cataract Falls, the largest waterfall by volume in Indiana, flows dramatically along Mill Creek in Owen County. The Upper Falls plunges about 45 feet, while the Lower Falls drops nearly 30 feet, with both sections set a mile apart. These cascades formed from ancient bedrock ridges left behind by the Illinoisan glacial period, creating today’s striking landscape. Native peoples, including the Miami, Shawnee, and Potawatomi, once lived in the region until treaties in the early 1800s reshaped the land’s ownership. The surrounding area now belongs to Lieber State Recreation Area, an 8,000-acre destination that combines natural beauty with recreation.

Visitors can enjoy Cagles Mill Lake for boating and fishing, as well as an aquatic center with slides, a zero-depth pool, and family-friendly amenities. Hiking trails, picnic shelters, volleyball courts, and campgrounds offer plenty of options for longer stays. To witness Cataract Falls at its finest, plan a trip during the spring months when melting snow swells Mill Creek and wildflowers blanket the landscape, adding color and vibrancy to the rushing waters.

Marengo Cave

Inside the Marengo Cave in Indiana
Inside the Marengo Cave in Indiana.

Discovered in 1883 by two curious schoolchildren, Marengo Cave has been welcoming explorers for well over a century. This privately owned landmark, designated a National Natural Landmark in 1984, is one of only four show caves in Indiana and stretches nearly five miles in mapped passageways. Visitors can choose between two guided experiences: the Crystal Palace Tour, a shorter walk filled with towering formations, or the Dripstone Trail, a longer route showcasing flowstone, stalactites, and other dramatic features. Together, they reveal the underground beauty carved from limestone over millions of years.

Beyond its tours, Marengo Cave offers gemstone panning, a cave simulator for hands-on exploration, and access to undeveloped sections for the more adventurous. Its cool, consistent climate makes it an inviting destination throughout the seasons, and its cinematic history adds another layer of intrigue. The ideal time to visit is any time of year—thanks to steady underground conditions, tours operate in every season, unaffected by weather above ground.

Pine Hills Nature Preserve

A glimpse of the wilderness at the Pine Hills Nature Preserve, Indiana
A glimpse of the wilderness at the Pine Hills Nature Preserve, Indiana.

Pine Hills Nature Preserve in Montgomery County stands as Indiana’s first dedicated nature preserve, originally gifted to the state by The Nature Conservancy in 1961 and officially dedicated in 1969. Spanning 470 acres, the preserve features rugged terrain with steep hogback ridges, deep gorges, craggy hills, and extensive sandstone bluffs blanketed in a mix of evergreens and hardwoods. Non-intrusive trails wind through rocky streams and along ridgelines, giving hikers a challenging yet rewarding experience. The preserve’s dramatic topography, including areas like Devil’s Backbone, provides elevated views of the forest canopy and the abundant wildlife within.

Pine Hills is a hotspot for birdwatchers, especially during spring and fall migration, when neotropical species pass through the dense forest. Summer brings reliable sightings of Wood Thrush, Kentucky Warbler, Ovenbirds, and the rare Blackburnian Warbler, one of only two dependable locations in the state. The combination of scenic vistas, varied hiking trails, and diverse wildlife makes it an outstanding destination. The ideal time to explore Pine Hills is from spring through early fall, when trails are clear and the forest foliage is at its most vibrant.

Wyandotte Caves

The Monument Mountain in Wyandotte Caves, Indiana
The Monument Mountain in Wyandotte Caves, Indiana. Image credit: Dave Bunnell via Wikimedia Commons.

Wyandotte Caves, located in Harrison-Crawford State Forest near the Ohio River, are a remarkable pair of limestone caverns that have captivated visitors for decades. Designated a National Natural Landmark in 1972, the caves are part of O’Bannon Woods State Park and rank as the fifth-largest cave system in Indiana. The complex includes Big Wyandotte Cave, known for its challenging two-hour tour through twisting passageways featuring rare helictites, gypsum, and prehistoric flint quarries, and Little Wyandotte Cave, which is a gentler 30-45 minute walk filled with flowstone and dripstone formations. Together, the caves showcase formations sculpted over two million years since the Pliocene Era.

Both caves are home to more than 20 species of wildlife, including bats, salamanders, crayfish, and cave crickets, while the surrounding area has a lush forested setting. The combination of geological wonders and abundant wildlife makes these caves an educational and adventurous experience. The optimal period to explore Wyandotte Caves is from late spring through early fall, when tours are fully accessible, and winter closures ensure the safety of hibernating bat populations.

Clifty Falls State Park

Aerial view of Clifty Falls in Clifty Falls State Park in Madison, Indiana
Aerial view of Clifty Falls in Clifty Falls State Park in Madison, Indiana.

Clifty Falls State Park, located in Jefferson County in southern Indiana, features an extraordinary experience for geology and nature enthusiasts alike. The park sits on 1,416 acres of rugged terrain, featuring 425-million-year-old shale and limestone formations rich with marine fossils, among the oldest rocks in the state. Visitors can hike along Clifty Creek’s stone bed, admire four named waterfalls—Big Clifty, Little Clifty, Hoffman, and Tunnel Falls—and explore scenic canyons where sunlight reaches the valley only at midday. The Civilian Conservation Corps’ 1930s stonework improvements, including trails and overlooks, remain functional today, giving a glimpse into history alongside breathtaking natural beauty.

Wildlife viewing and photography are highlights throughout the park. Songbirds, hawks, vultures, deer, wild turkeys, foxes, and weasels inhabit the forests and uplands, while spring brings delicate wildflowers beneath towering cliffs. Trails range from easy strolls to the very rugged Trail Two, offering something for all skill levels. Overnight accommodations include the Clifty Inn and campgrounds for tents and RVs. The best season to explore is from mid-spring through early autumn, when the waterfalls are at their fullest and the forest foliage is vibrant, providing ideal conditions for hiking and wildlife observation.

Wrapping Up

From rushing waterfalls to hidden caves, soaring dunes to rugged canyons, Indiana’s natural wonders prove the Hoosier State is far more than farmland. Each destination is a distinct mix of history, geology, and scenery, inviting visitors to step into landscapes shaped over millions of years. Whether you are hiking along sandstone cliffs, exploring underground chambers, or watching wildflowers bloom by a creek, these treasures make for unforgettable getaways. This year, let Indiana’s wild beauty guide your next adventure.

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