South America

Argentina:
Faena hotel ( Buenos Aires)

Bolivia:

El Poncho Ecocenter (near Cochabamba)

Brazil:
Colourful Painted Slums (Rio de Janeiro)

Chile:
Hotel La Montaña Mágica (Huilo)
Hotel Valdivia (Santiago)

Grenada:
Underwater Sculpture Park (Moliniere)

For countries like Mexico etc look for the
category Central America in North America.