Bike Through History. Every 3rd Saturday (April - September) you can join a National Park Service Ranger on a 4-mile round trip bike ride along Grant's Trail. The trip begins at Ulysses S. Grant National Historic Site and along the way to Sappington House the park ranger will describe points of interest. The free bike trip includes a tour of the Sappington Home. Ride leaves at 10 am and lasts approximately two hours. All ages are welcomed but reservations are required. Call 314-842-1867 ext. 230.