The Elkhorn Ranch, where Theodore Roosevelt sought solitude for introspection and honed his conservation ethos, is being threatened by development that could upend the very quality of the setting that so inspired Roosevelt.

Sometimes you have a meal while on vacation that you wish you could bring home with you, at least in the form of a recipe to recreate in your own kitchen. Here, from the El Tovar Hotel in Grand Canyon National Park, is the recipe for their Pan-Seared Salmon Tostada.

The buggiest blistering days of summer are just ahead. Add to that a nationwide early spring with record heat—and you have a TICKing time bomb for health problems at national parks in some parts of the country. Here's how to defuse it.

A draft winter-use plan for Yellowstone National Park redefines over-snow entries into the park under a system that could increase the number of over-snow vehicles into the park beyond the total that has been permitted in past winters.