Sources
- "All Alone: The 8 Most Secluded Places on Earth" by Colby Maxwell
- “Tristan da Cunha” by Kasra Hosseini
- “Pitcairn-Adamstown” from Wikimedia Commons
- “Amundsen-Scott South Pole Station (dome)” by Levent Demirörs
- “Longyearbyen” by Bublik Polina
- “Oymyakon, Sakha Republic, Russia” by Ilya Varlamov
- “Rinconadapuno” from Wikimedia Commons
- “Iquitos-Plaza de Armas” by Maurice Chédel
- “Panoramic view of Siwa oasis from the top of shali citadel” by Sara Nabih
