Santa Ana has many attractions, historic sites, and buildings. It is the seat of the county and brings thousands of visitors to the Downtown Santa Ana area. Among the many historic buildings in the city, the Old Orange County Courthouse is one then, more commonly referred to as the Old Courthouse.

The Old Orange County Courthouse is Southern California's oldest court building, built back on June 4, 1889. The building is made of granite and sandstone and 30,00 square feet. It has historically been the center of operations for the county government. Inside the building, there are various offices, which include the Old Courthouse Museum, the Orange County Archives, the library of the Pacific Coast Archaeological Society, and government offices. The courthouse is on the National Register of Historic Places and is a State of California Historic Landmark.

Today the building has been restored to its original Richardson Romanesque style. It attracts many visitors and film producers. The Old Courthouse, specifically Courtroom No.1, has been the scene of many movies and films. Among those movies are Catch Me If You Can, Legally Blonde, The File on Thelma Jordon, and the Good Bad Guy.

OC Parks provides tours of the Old Orange County Courthouse by appointment Monday through Friday from 9 a.m. to 4 p.m. Admission and tours to the Old Courthouse Museum are free. Metered parking is available in the lot on the north side of the Old Courthouse.