The title of Marlis Butcher's new book is intriguing — Park Bagger: Adventures in the Canadian National Parks. We've asked the Burlington, Ontario-based author where the term comes from and what led her to visit all of Canada's national parks and then transform her travel journals and photography into a book.

Cyclists heading for Cades Cove in Great Smoky Mountains National Park on vehicle-free Wednesdays will be joined by shuttles beginning July 7.

It's long been stated that investing in national parks brings a boost in economic activity to their surrounding communities, and now that argument is being made to justify designation of the St. Croix Watershed as a National Heritage Area.

Unless climate change is abated, warmer temperatures, less snowpack and associated spring runoff, and a longer growing season by the end of the century will alter the appearance of Yellowstone National Park, according to a rigorous analysis of past, present, and predicted climate conditions for the Greater Yellowstone Area.