Mount Baldy, a massive sand dune that is a popular attraction at Indiana Dunes National Lakeshore in Indiana, will remain closed indefinitely due to safety hazards.

Are you a "twitcher" or a "chaser" when it comes to birding in the national parks?

Indiana Dune National Lakeshore preserves some fine natural resources and recreational opportunities near Chicago, but public confusion about what areas are—or are not—part of the Lakeshore creates a bit of an "identity crisis. The park hopes a series new graphic logos will help the public understand that the widely dispersed visitor areas are all part of one national park.

In the wake of an accident in which a 6-year-old boy was swallowed by a sink hole in the Mount Baldy sand dune at Indiana Dunes National Lakeshore, officials have closed access to the massive dune indefinitely.