4. Australia

If you are looking for the ultimate rugged outdoor holiday destination then Australia has it all and then some. Road trip down to the stunning Gold Coast, dive the glorious Great Barrier Reef, take a boat trip around the Sydney Opera House, chill out with trendy locals in Melbourne and shop until you drop in Perth. The eastern coast of Australia is one of the top adventure coasts in the world – no matter if you are after white water rafting, a trek through a tropical rainforest, caving, snorkeling one of the world’s premier dive sites, or swimming with dolphins, the stretch from Melbourne to Cairns is for you.