Visitors to Zion National Park are surprised by the huge mountain structures of red, pink and white.

VOA: special.2009.04.15

Celebrating its one hundredth anniversary this year is Zion National Park, in the western state of Utah.

VOA: special.2009.09.28

Zion National Park is an area of huge rocks that were cut through by a river.

VOA: special.2009.04.15

Bryce Canyon National Park bristles with otherworldly spires, and waterfalls plunge into pools perfect for a wild swim in nearby Zion.

BBC: Five family-friendly adventures