Staff in some national parks in Ukraine anticipated Russia's invasion and discussed the need to join "territorial defense forces," while others marked the country's Day of Unity.

A memory for many Acadia National Park visitors is having jam-smeared popovers and tea or a meal at the Jordan Pond House with its view of "The Bubbles," two mountains beyond the pond. Similar memories for first-time visitors to the restaurant might be altered a bit in the coming years as the National Park Service debates how best to address accelerating maintenance needs with the current facility.

Work is underway to cull between 600 and 900 bison from Yellowstone National Park, where an interagency plan calls for the park's herds to be capped around 5,000 animals.

In 2018, Great Smoky Mountains National Park began a concentrated effort to tell the stories of African Americans who have lived and worked in the Smokies over the past several centuries. Born out of that focus, the African American Experiences Project aims to collect the stories and history of Black people in the Smokies and to educate the public about their historical presence and contributions dating back to the 1540s.