The North Dakota State Railroad Museum in Mandan will host its Watermelon Days from 1 to 5 p.m. July 15.
Free watermelon is offered to all visitors.
Kids of all ages can ride the mini-train Sky Line Railway, behind a steam engine.
The museum has railroad cars and more than 3,000 square feet of display of small and large railroad artifacts, a model train display and hundreds of old railroad photos.
Admission is free. Museum hours are 1-5 p.m. daily through Labor Day.