Sydney, capital of New South Wales and one of Australia's largest cities, is best known for its harbourfront Sydney Opera House, with a distinctive sail-like design. Massive Darling Harbour and the smaller Circular Quay port are hubs of waterside life, with the arched Harbour Bridge and esteemed Royal Botanic Garden nearby. Sydney Tower’s outdoor platform, the Skywalk, offers 360-degree views of the city and suburbs.

Newcastle is a harbour city in the Australian state of New South Wales. Its plentiful beaches are linked by the Bathers Way, a coastal walk stretching between Nobbys Beach and Merewether Beach. The walk provides access to Bogey Hole, a convict-built ocean bath from the colonial period. Also on the path is the 1880s Fort Scratchley, a historic site and a viewpoint for spotting migrating whales.

Brisbane, capital of Queensland, is a large city on the Brisbane River. Clustered in its South Bank cultural precinct are the Queensland Museum and Sciencentre, with noted interactive exhibitions. Another South Bank cultural institution is Queensland Gallery of Modern Art, among Australia's major contemporary art museums. Looming over the city is Mt. Coot-tha, site of Brisbane Botanic Gardens.

The 74 Whitsunday Islands lie between the northeast coast of Queensland, Australia, and the Great Barrier Reef, a massive stretch of coral teeming with marine life. Most of the islands are uninhabited. They're characterized by dense rainforest, hiking trails and white sand beaches. The town of Airlie Beach on the mainland is the region's central hub.

Townsville is a coastal city in northeastern Queensland, Australia. The Strand esplanade, with its pier and water park, is popular. The Reef HQ Aquarium has marine life and coral from the Great Barrier Reef, plus a sea turtle hospital. Southeast of the city, the Billabong Sanctuary wildlife park is home to koalas, wombats and crocodiles. Offshore, Magnetic Island has coral reefs and a national park full of wildlife.

Cairns, considered the gateway to Australia's Great Barrier Reef, is a city in tropical Far North Queensland. Its Tjapukai Aboriginal Cultural Park tells the stories of indigenous Aboriginal and Torres Strait Islander people with music and dance. Cairns Esplanade, lined with bars and restaurants, has a swimming lagoon. Northwest of the city, Daintree National Park spans mountainous rainforest, gorges and beaches.

Thursday Island, colloquially known as TI, or in the Kawrareg dialect, Waiben or Waibene, is an island of the Torres Strait Islands, an archipelago of at least 274 small islands in the Torres Strait. TI is located approximately 39 kilometres north of Cape York Peninsula in Far North Queensland, Australia.

Komodo island, part of the Lesser Sunda chain of Indonesian islands, is the rugged habitat of the 3m-long Komodo dragon monitor lizard. Komodo National Park covers the entire region and is home to more than 4,000 dragons, and is made up of rusty-red volcanic hills, savannah and forests. Its surrounding waters of seagrass beds, mangrove shrublands and coral reefs are famous for diving.

Lombok is an Indonesian island east of Bali and west of Sumbawa, part of the Lesser Sunda Island chain. It's known for beaches and surfing spots, particularly at Kuta and Banko Banko (in south Lombok). The motor-vehicle-free Gili Islands (Gili Trawangan, Gili Air and Gili Meno), off Lombok’s west coast, offer more beaches, reefs for diving and snorkeling, and a sea turtle hatchery

Bali is an Indonesian island known for its forested volcanic mountains, iconic rice paddies, beaches and coral reefs. The island is home to religious sites such as cliffside Uluwatu Temple. To the south, the beachside city of Kuta has lively bars, while Seminyak, Sanur and Nusa Dua are popular resort towns. The island is also known for its yoga and meditation retreats.