Natural wonders and historic sites of Missouri

A geological site containing giant granite boulders shaped like elephants spread across 96 acres of natural landscape.

A natural spring producing 286 million gallons of water daily, surrounded by limestone cliffs and native forest.

A geological area with a collapsed cave system forming a 1,300-foot-long canyon with limestone walls.

A historical park featuring a spring producing 100 million gallons of water daily and ruins of old iron works.

A natural area with red sandstone rocks, waterfalls and hiking trails through pine forest containing native wildflowers.

A natural park with underground streams, limestone caves and a 17-foot limestone arch formation.

A limestone cave with underground lakes, mineral deposits and guided tours through illuminated passages.

A 19th century cemetery containing graves of university presidents and early Missouri settlers.

The grounds span 525 acres with hiking trails, a visitor center, underground caves and viewing points of the Mississippi River.

The park produces 100 million gallons of water daily and offers fishing zones, camping areas and a museum about regional history.

The park contains geological formations, a large natural spring, more than 15 caves and the remains of a 1905 stone castle.

The park houses the source of Current River, a fish hatchery and provides fishing spots along the two-mile river stretch.

Red stone watermill from the 19th century at Alley Spring. The spring water powers the restored mill wheel.

The 240-mile hiking trail on former railroad tracks runs through forests and fields along the Missouri River.

Natural park with oak and hickory trees on 3700 acres. Trails wind through forests and over hills.

Nature reserve with swampland on 21500 acres. Waterfowl, bald eagles and raccoons inhabit these wetlands.

The park features hiking paths along the Meramec River and displays remnants of historical recreational facilities from the 1920s.

A cemetery containing graves of the Sappington family who contributed to Missouri's trade development in the 19th century.

The grounds include a river for water sports and historical buildings from the 1930s.

A former mining complex with exhibitions about minerals and tools from Missouri's mining peak period.

Historical location of the 1861 military engagement between Union and Confederate forces at the Missouri-Iowa border.

Nineteenth-century mill complex with original grinding equipment and wooden bridge structure across the Whitewater River.

Paleontological excavation site containing mastodon skeletons and prehistoric artifacts, equipped with a research center and nature paths.

Nature reserve with 4000 hectares of forests, waterfalls, and fishing ponds, crossed by marked walking trails.

A seven-story cave system with 26 miles of documented limestone passages extending beneath the Ozark Mountains.

A cave featuring underground lakes, mineral formations, and prehistoric animal bones throughout its 10,000 square feet area.

A red mill complex from 1908 on Huzzah Creek banks with original milling equipment still in place.

A conservation area with sandstone rocks, waterfalls, and 890 documented plant species in the eastern Ozarks.

This cave contains stone tools and other Native American artifacts dating back 8,000 years, with multiple hiking trails around the site.

The park preserves century-old oak and hickory trees in an original Mississippi Valley bottomland forest.

The summit reaches 1,772 feet above sea level with an observation point overlooking the Saint Francois Mountains.

The textile factory displays original pre-Civil War wool processing machinery and equipment still in their original positions.