Zion National Park...

http://en.wikipedia.org/wiki/Zion_National_Park

http://en.wikipedia.org/wiki/Grand_Canyon_National_Park

http://tools.wmflabs.org/geohack/geohack.php?pagename=Grand_Canyon_National_Park&params=36.0552608_N_119.1218355_W_type:landmark_region:US-AZ_scale:1000000_source:GNIS_

http://tools.wmflabs.org/geohack/geohack.php?pagename=Zion_%E2%80%93_Mount_Carmel_Highway&params=37_13_19_N_119_55_58_W_region:US-UT_type:landmark

http://en.wikipedia.org/wiki/Zion_-_Mt._Carmel_Tunnel