1/9Western AustraliaMany consider outback WA to be the last frontier in Australia. // © 2015 Tourism Western AustraliaPreviousNext2/9Western AustraliaTaking an air safari of the Kimberley Aerial Highway includes such highlights as the King George Falls. // © 2015 Tourism Western AustraliaPreviousNext3/9Western AustraliaOnly a short ferry ride from capital Perth, Rottnest Island offers great snorkeling and diving. // © 2015 Tourism Western AustraliaPreviousNext4/9Western AustraliaVisitors to Rottnest can also fish, boat, surf, bike and more. // © 2015 Tourism Western AustraliaPreviousNext5/9Western AustraliaRottnest Island is also home to the cat-sized quokka, a marsupial that is mainly found in Western Australia’s smaller islands. // © 2015 Tourism Western AustraliaPreviousNext6/9Western AustraliaThere are about 12,000 quokkas on Rottnest Island. // © 2015 Tourism Western AustraliaPreviousNext7/9Western AustraliaRottnest is a year-round destination, but the annual migration of humpback whales occurs from September to November. // © 2015 Tourism Western AustraliaPreviousNext8/9Western AustraliaTo swim with whale sharks, head to Ningaloo Reef from April to July. // © 2015 Tourism Western AustraliaPreviousNext9/9Western AustraliaFrom Ningaloo, head to Broome, a pearl center with true outback Aussies far removed from city life. // © 2015 Tourism Western AustraliaPreviousNext