National Park Week is April 19 to April 26 this year, coinciding with Earth Day. The celebration always kicks off with Free Entrance Day.

Some want to change the formula-based program, a cornerstone of Lyndon Johnson's War on Poverty, into a block grant.

A 110-year-old Colorado estate that has hosted Frank Sinatra and Lyndon B. Johnson just slashed $10 million off its price tag. The 12,000-square-foot manor house—with 25 rooms—and its five ...