A large skeleton on display at the zoo, which was opened by a friend of Teddy Roosevelt, John Benson

A colour image of Terminal 2 in 1957 shows individuals manning check in desks while passengers calmly walk by

A 1957 view of the new Central Area control tower with BEA RF4 buses parked in the foreground

By the time the raised-canal plans were accepted, more than 22,000 workers had perished from the likes of malaria, yellow fever and dysentery

Back in the day, attractions at the zoo in Central Park included shows where keepers would attempt risky feats with the animals. Pictured is a man placing his head in a hippo’s mouth in 1910

August 1936 Part of the fire-ridden area where CCC boys from the Lo poc, Arroyo Grande and Pinto Lake camps fought to control a fire to the Santa Lucia National Park.

An unidentified U.S. marine looks skyward from his trench during an artillery and mortar attack on the Con Thien outpost near the DMZ in Vietnam, October 14, 1967.

American golf champion Arnold Palmer made shots from he second floor of the Eiffel Tower in Paris, on Oct.ober 14, 1976.

This picturesque scene showing a deep layer of fresh snow was snapped at the Watchtower Ski Camp in Jasper, circa 1950

The vintage photos were taken in Banff, Jasper and Waterton Lakes in the 1950s (pictured fox in a rare July snowstorm in Jasper in 1950)

Many of today's popular ski gear brands didn't exist when this skier, wearing a jumper, made his way down Mount Norquay in 1953

An Afghan Army parade through Kabul with spectators lining the streets and waving flags at the procession

Afghan workers make a street repair in Kabul, but still had time to smile for the camera

Abandoned French machinery on the bank of Panama Canal near Cristobal lies unused following the arrest of Ferdinand de Lesseps1

Abandoned French machinery on the bank of Panama Canal near Cristobal lies unused following the arrest of Ferdinand de Lesseps