A Hawaii man who helped a bison calf in Yellowstone National Park move away from the Lamar River was fined $500 and saddled with another $540 in fees Wednesday after pleading guilty to one count of feeding, touching, teasing, frightening, or intentionally disturbing wildlife.

Across the National Park System, scientists and biologists are working in parks — above and below ground, and in the ocean — to cure wildlife diseases.

Canada’s only national historic site commemorating ranching is open for the season. Bar U Ranch National Historic Site — an hour south of Calgary near Longview — is open daily from 10 a.m. to 5 p.m. until Sept. 30.

No matter what time of the year you plan to visit Death Valley National Park in California, you need to be prepared for this land of extremes: extreme heat, extreme rainstorms, extreme dryness, extreme beauty. This 2023 checklist should help you with your plans.