Debate is resuming over Donald Trump's first-term belief that as president he could reduce the size of national monuments.

If the timing is right, visitors to Volcanoes National Park in Hawaii could be in for another spectacular view this week.

Search and rescue personnel worked Tuesday to retrieve a body from a 50-foot waterfall Washington's Olympic National Park.

Mammoth Cave National Park in Kentucky is home to a wide variety of wildlife, both above and below ground. Most commonly-seen above ground are squirrels, and deer. Rarer sights include coyotes, black bears, and bats. Below ground live some 160 species ranging from cave crickets to pale, eyeless fish, to translucent crayfish, to salamanders.