An iguana in Bali helped Julij Kopilović, age eight, from Slovenia, earn second runner-up in Amazing Animals. (Photo by Julij Kopilović/National Geographic)

Bonbibi, Treehouse Point, Fall City, WA. The Bonbibi is balanced on two steel yokes. The yokes spread out the load and allow for tree growth and movement in the wind. A small deck hangs from the beams below and uses the treehouse itself to shelter guests. (Photo by Pete Nelson)

“Monorail Subway, Capitol To Senate. The Car. Senators Swanson And Townsend As Passengers, 1916”. (Photo by Harris & Ewing Collection). (Please click to enlarge)

This picture was taken in the 1890's and shows a group of loggers hauling a heavy load. It is hard to even picture how they got the logs stacked that high. It is also hard to imagine how they keep it from tipping over.

Cambodian motorcyclists drive near a double rainbow, following the conclusion of a ceasefire deal between Cambodia and Thailand, in Siem Reap, Cambodia, on July 29, 2025. (Photo by Daniel Ceng/Anadolu via Getty Images)

Miss Vanjie performs during the LA Pride 2019 on June 09, 2019 in West Hollywood, California. (Photo by Matt Winkelmeyer/Getty Images)

Model Elise Daniels dons a Balenciaga suit while surrounded by street performers in Paris, France in 1948. (Photo by Richard Avedon/Victoria and Albert Museum London/The Guardian)

Student of Meiji University Yuki Hou licks a screen of Taste the TV (TTTV), a prototype lickable TV screen that can imitate the flavours of various foods, during its demonstration at the university in Tokyo, Japan, December 22, 2021. (Photo by Kim Kyung-Hoon/Reuters)