India is a vast South Asian country with diverse terrain – from Himalayan peaks to Indian Ocean coastline – and history reaching back 5 millennia. In the north, Mughal Empire landmarks include Delhi’s Red Fort complex and massive Jama Masjid mosque, plus Agra’s iconic Taj Mahal mausoleum. Pilgrims bathe in the Ganges in Varanasi, and Rishikesh is a yoga centre and base for Himalayan trekking.

Thailand is a Southeast Asian country. It's known for tropical beaches, opulent royal palaces, ancient ruins and ornate temples displaying figures of Buddha. In Bangkok, the capital, an ultramodern cityscape rises next to quiet canalside communities and the iconic temples of Wat Arun, Wat Pho and the Emerald Buddha Temple (Wat Phra Kaew). Nearby beach resorts include bustling Pattaya and fashionable Hua Hin

Canada is a North American country stretching from the U.S. in the south to the Arctic Circle in the north. Major cities include massive Toronto, west coast film centre Vancouver, French-speaking Montréal and Québec City, and capital city Ottawa. Canada's vast swaths of wilderness include lake-filled Banff National Park in the Rocky Mountains. It's also home to Niagara Falls, a famous group of massive waterfalls.

Australia is a country and continent surrounded by the Indian and Pacific oceans. Its major cities – Sydney, Brisbane, Melbourne, Perth, Adelaide – are coastal. Its capital, Canberra, is inland. The country is known for its Sydney Opera House, the Great Barrier Reef, a vast interior desert wilderness called the Outback, and unique animal species like kangaroos and duck-billed platypuses.