Photo of bats at Mammoth Cave

National Bat Week

October 26 – November 1
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Photos and MultimediaMore Photos and Multimedia »

Movie

Photo of an elk

Be a defender

America's Wilderness

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Interactive

Photo of seagrasses at Biscayne National Park

Underneath the waves

A seagrass garden

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Web Cam

Photo of Longs Peak in Rocky Mountain National Park

Three different views

Rocky Mountain

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Podcast

Photo of a young girl spinning wool into yarn along the El Camino Real de Tierra Adentro National Historic Trail

Children in the 1700s

Work and fun

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Photo Gallery

Photo of a San Clemente polychrome bowl found in New Mexico

Museum collections

Bandelier

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