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Making America's Best Idea Even Better
Amistad National Recreation AreaNature and Science
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Amistad National Recreation Area
Insects and Arachnids
Monarch butterfly feeds on a cowpen daisy.

Female Monarch Butterfly

A big attraction for nature lovers at Amistad is the fall Monarch butterfly migration. Year after year, thousands of Monarchs roost in the same few trees as they head to their wintering grounds in Mexico.
 

 
The Pecos River Viaduct  

Did You Know?
At the time of its 1892 construction, the Pecos River Viaduct was the tallest railroad bridge in the United States - standing at just over 322 feet in height.
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Last Updated: March 18, 2007 at 14:38 EST