Yellowstone National Park closed all entrances Monday as flooding and rock and mud slides chewed away at park roads, forcing the evacuation of visitors in northern areas of the park due to "extremely hazardous conditions." With the potential for severe flooding in the southern half of the park, officials made the decision to shutter the entire park. Dramatic aerial footage captured by the park's helicopter manager demonstrated the damage being inflicted on the park.

Chicken eggs are pretty good chum, but alligator and crocodile eggs, sea turtle eggs, and even bird eggs are also high on the menu for black-and-white Argentine tegus, a lizard that arrived in Florida through the pet store trade and is threatening to upend Everglades National Park's ecosystems.

Yellowstone National Park announced Thursday that Mount Doane is now named First Peoples Mountain. This announcement follows a 15-0 vote affirming the change by the U.S. Board on Geographic Names (BGN), the federal body responsible for maintaining uniform geographic name usage throughout the federal government.

The White House announced on Wednesday that the Department of the Interior will reduce and eventually phase out the sale of single-use plastic products in U.S. national parks, wildlife refuges, and other public lands.