Illinois features historical landmarks, nature parks and architectural structures. The region presents pre-Columbian settlements, geological formations, state parks with waterfalls and canyons. Visitors find lighthouses, gardens, historic villas and specialized museums.
Collinsville, Illinois
This archaeological site contains 80 mounds from a Mississippi culture that existed between 700 and 1400 CE.
Herod, Illinois
A natural area of 3300 acres featuring sandstone rocks, cliffs and bluffs along marked paths.
Vandalia, Illinois
A 35-foot metal sculpture that produces propane gas flames when activated by inserting coins.
Alto Pass, Illinois
A 111-foot white cross made of steel and porcelain located at the highest point of the region.
Rockford, Illinois
The garden contains ponds, waterfalls, stone lanterns, pavilions and a collection of Japanese maple and fruit trees.
Harrisburg, Illinois
A natural area with sandstone cliffs, caves, lakes and hiking trails through various Illinois state ecosystems.
Oglesby, Illinois
The park features 18 canyons with sandstone walls, seasonal waterfalls and 13 miles of marked hiking trails.
Plano, Illinois
A single-story glass house from 1951, elevated on steel columns above the ground, displaying minimalist architecture.
Rock Island, Illinois
Preserving the rich Native American heritage with historic monuments and beautiful landscapes.
Utica, Illinois
A diverse geological landscape with unusual rock formations and cascading falls.
Nauvoo, Illinois
Historic site preserving the city's Latter-Day Saint and Icarian heritage.
Belknap, Illinois
Home to a variety of rare plants and ancient bald cypress trees.
Bishop Hill, Illinois
A Swedish settlement from 1846 with preserved buildings and objects from the colonial period.
Ingleside, Illinois
A nature reserve with an unstable peat bog and an 800-meter wooden path across the marsh.
Savanna, Illinois
A natural park with 80-meter limestone cliffs and viewpoints overlooking the Mississippi.
Chicago, Illinois
A former industrial area with 19th-century buildings and a museum about railroad history.
Roscoe, Illinois
The museum displays a collection of classic automobiles from different eras along with historical documents and objects.
Pomona, Illinois
A sandstone arch spanning 90 feet, created by geological erosion through thousands of years.
Urbana, Illinois
A collection of 50,000 artifacts from various cultures focusing on archaeology, history, and ethnology.
Evanston, Illinois
A 113-foot tall lighthouse from 1873 with original second-order Fresnel lens.
Petersburg, Illinois
This historical site features 23 reconstructed wooden buildings from the 1830s where Abraham Lincoln worked as postmaster and surveyor.
Chicago, Illinois
A natural area with 12 acres of sand dunes on Lake Michigan, hosting over 150 bird species and native grasses.
Quincy, Illinois
A Mediterranean villa built in 1900 with Moorish architectural features, courtyard and viewpoint above the Mississippi River.
Jonesboro, Illinois
A 5000-acre state forest with historical paths that served as a rest stop for Cherokee Indians during their forced relocation.
Illinois
The park features a large limestone cave on the Ohio River that served as a hideout for bandits in the 18th and 19th centuries.
Lisle, Illinois
Botanical garden spanning 1,700 acres dedicated to tree research and education with scientific collections and public programs.
Alton, Illinois
The museum displays local history through artifacts, documents and artworks from Civil War era to present day.
Peoria Heights, Illinois
This 2.5-mile road provides observation points over the Illinois River Valley and historic mansions from the early 20th century.
Wilmette, Illinois
A nine-sided religious building with a white dome, surrounded by four hectares of gardens.
Elmhurst, Illinois
A glass greenhouse from 1926 containing a collection of tropical plants and seasonal flower displays.
Niles, Illinois
A 94-foot tower built in 1934 with a 7.4-foot tilt constructed as an architectural replica.
Golden, Illinois
This 19th-century windmill demonstrates grain processing with original Dutch machinery.