14.01.2013, ID: 25532
Rio Grande is the frontier of discord, between Mexico and the USA. The length of the Rio Grande reaches 3034 km.
Santa Elena Canyon is one of the most popular landmarks on Big Bend National Park. The mouth of Santa Elena Canyon is located six miles northwest of Castolon in the southeastern corner of Mesa de Anguilla.more:Santa Elena CanyonSanta ElenaBig Bend National Park