Here are links to Job Boards that are regularly updated.
ATTTO offers qualifications and training support for professional development and career opportunities in the aviation, travel, tourism and museums industries.
Lincoln University offers several streams of study including Tourism, Sport and Recreation, and Environment, that cover fields of study from national parks management to history, sociology, geography, urban recreation, sport management, and tourism in all its forms.
Charles Sturt University in Australia had a degree program in Parks, Recreation and Heritage
Distance learning MSc Programme in Interpretation: Management and Practice–offered by the Centre for Interpretation Studies based at Perth College, University of the Highlands and Islands, Scotland.