Our 2nd Clark County Seat from 1823 to 1838, Darwin had an early ferry and steamboat landing

on the Wabash River. The marker is located at the corner of Darwin Ferry Road and River Road.

The only known fort in Clark County was built in 1816 by the family of Thomas Handy. The marker is located adjacent to the West Union Park on South Walnut Street (1900th Street).

This post office served the northwestern county communities from 1840-1861. The marker, located on the Lincoln Heritage Trail (Clarksville Road) 4.7 miles east of Westfield, was repainted in 2024.

This dry-fitted stone bridge was completed between 1834 & 1837 as part of the Historic National Road and is still in use today. The marker is on the west side of the bridge west of Marshall on National Road (old Route 40).

The first Clark County oil well was drilled in 1865. The original marker was lost. It has been replaced and now stands at the Oilfield Store 6.6 miles north of Casey on State Route 49.

This was a co-ed college from 1865-1914 and then used as high school until a 1917 fire. The marker is located at the corner of West Lincoln and South Fulton Streets in Westfield.

The marker celebrates the founding of Casey and Jim Lang the first

settler & founder. The sign is located at Lang's Landing located in downtown Casey.

The marker  celebrating the state of Illinois was  located east of Marshall on the south side of  the Historic National Road (Route 40) 1.5 miles west of the Indiana State Line. It has been missing for many years.