Across the National Park System many changes are expected from climate change, from more wildfires and vanishing glaciers to invasions of non-native species and flight of long-term residents. Writer/photographer Michael Lanza, concerned that today's park landscapes will change significantly by the time his young kids are his age, has been touring the park system with his family to show his children what they might miss later in life.

What are the top issues confronting the National Park System? A slew of answers could be tacked onto that question, ranging from sprawl outside park boundaries and habitat fragmentation to pollution.

We'd like to welcome the Glacier National Park Fund to our list of sponsors, and thank this organization for supporting not just Glacier National Park but also our mission here at the Traveler.

What were the top stories across the National Park System in 2010? There were more than a few, ranging from the tragic loss of three Katmai National Park and Preserve employees to a small-plane crash to the ongoing controversy over whether birds, turtles and off-road vehicles can co-exist at Cape Hatteras National Seashore. Let's take a look back through the year at some of the stories.