Interstate State Park, Minnesota, United States.

Interstate State Park, Minnesota, United States. Main Office at the campground.

Interstate State Park, Minnesota, United States. Visitor Center on the northern end of the park.

Interstate State Park, Minnesota, United States. Pothole formed by a glacier.

Interstate State Park, Minnesota, United States. Pothole formed by a glacier.

Interstate State Park, Minnesota, United States. Several potholes. The visitor center is at the bottom of the hill on the right.

Interstate State Park, Minnesota, United States. This was a huge pothole. You can look down from above, or walk around and go inside from below.

Interstate State Park, Minnesota, United States. St. Croix river.

Interstate State Park, Minnesota, United States. St. Croix river.

Interstate State Park, Minnesota, United States. This is how the rocks look near the river. There were a lot of rock climbers!

Interstate State Park, Minnesota, United States. Bathrooms at one end of the picnic area.

Interstate State Park, Minnesota, United States. One of the picnic shelters.

Interstate State Park, Minnesota, United States. Bathrooms and showers at the campground.

Interstate State Park, Minnesota, United States. Canoes on St.Croix River, Interstate State Park, MN, USA

Interstate State Park, Minnesota, United States. Steamboat tour at Interstate State Park, MN, USA

Interstate State Park, Minnesota, United States. View to a campsite on St.Croix Scenic Riverway

Interstate State Park, Minnesota, United States. Canoes on St.Croix River

Interstate State Park, Minnesota, United States. Canoeing on St.Croix River, Interstate State Park, MN, USA

Interstate State Park, Minnesota, United States. St.Croix Scenic Riverway, Interstate State Park, MN, USA

Interstate State Park, Minnesota, United States. Steamboat 'Tailors Falls Princess' on St.Croix River

Interstate State Park, Minnesota, United States. St.Croix River at Fall

Interstate State Park, Minnesota, United States. Rapid current of St.Croix River near Tailors Falls