Commonwealth Place in Canberra, Australia (© Richard I'Anson/Lonely Planet Images)

Mt. Warning-Wollumbin and Clarrie Hall Dam, Murwillumbah, Australia (© NatureScape/Footage Search)

Historic Shot tower within glass dome, Melbourne Shopping Centre, Victoria, Australia (© Andrew Watson/Axiom/Aurora Photos)

Whale Shark (Rhincodon typus) near Ningalo Reef, Indian Ocean, Australia (© Franco Banfi/WaterFrame/Getty Images)

Dawn over jetty, Thomson Bay, Rottnest Island, Australia (© Andrew Watson / Axiom Photographic Agency)

Sunset over a tidal area with a mangrove tree near Brisbane, Australia (© visionandimagination.comGetty Images)

Female green ringtail possum with a joey in her pouch, Queensland, Australia (© Dave Watts/Visuals Unlimited, Inc.)

Interior of the Sydney Opera House, Australia (© Hervé Hughes/Corbis)

Snow gum trees in Cradle Mountain-Lake St Clair National Park, Tasmania, Australia (© Rob Blakers/Getty Images)

Small waterfall in Hamersley Gorge, Karijini National Park, Australia (© Alessandra Sarti/Photolibrary) ©

A pair of wallabies in Australia (© Randy Olson/Getty Images) ©

Staghorn coral, Great Barrier Reef, off the coast of Australia -- Frans Lanting/Corbis ©

Nature's window, Kalbarri National Park, Australia, -- Bob Stefko/Stone/Getty Images ©

Dawn launch of hot air balloon ride near Alice Springs, Australia -- Jake Warga/DanitaDelimont.com ©

View from the Australian War Memorial down Anzac Parade toward the New and Old Parliament Houses in Canberra, Australia -- Jon Hicks/Corbis ©

Colourful ferris wheel in Birrarung Marr park and the city skyline at dusk, Melbourne, Victoria, Australia -- David Hannah/photolibrary ©

Heart Reef, part of the Great Barrier Reef in Queensland, Australia -- Michael Weber/Photolibrary ©

The Scenic Skyway over Orphan Rock in the Blue Mountains, Katoomba, NSW, Australia -- Geoff Higgins/Photolibrary ©