Exploring the Curriculum Through Nature Programs starts as an Erasmus+ project. Partner teachers have developed and integrated educational programs in nature as an essential part of the national curriculum at preschool and primary school level. The project outcomes, The Teacher’s Guide for Outdoor Activities, contains procedures and step by step guidance to outdoor activities as well as a Year-Round Calendar to Outdoor Learning while, The Guide of Good Practices, contains nature related activities that cover all the domains of the preschool and primary school curricula. The partner teachers carried out didactic activities in nature and in the classroom using educational kits, with natural elements, designed by them. eTwinning- Exploring the Curriculum Through Nature Programs is a way for teachers from other schools interested by Nature Programs to work together starting from these resources.