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Subject (Region)
- Mexico27
- Brazil10
- Peru5
- Colombia4
- Columbia River Gorge (Or. and Wash.)4
- Columbia River Gorge National Scenic Area (Or. and Wash.)4
- Latin America4
- Machu Picchu Site (Peru)4
- Québec (Province)4
- United States4
- Ecuador3
- Chile2
- Dominican Republic2
- Guatemala2
- Puerto Rico2
- São Luís do Maranhão2
- South America2
- Antigua1
- Antigua (Guatemala)1
- Antiguo Acueducto del Río Piedras (San Juan, P.R.)1