A zookeeper feeds a hippopotamus with a watermelon in its enclosure in Belgrade's zoo, Serbia, July 20, 2015. Temperatures in Serbia have risen up to 40 degrees Celsius (104 degrees Fahrenheit), according to official meteorological data. (Photo by Marko Djurica/Reuters)

With temperatures soaring and summer well underway, countless Americans will be spending their Independence Day weekend at the beach. Here we revisit some classic images from the turn-of-the-century to the 1930's of vacations by the sea, from Coney Island to Santa Monica.

A woman cools off from the extreme heat from an opened fire hydrant in Brooklyn, New York on July 2, 2018. The highest temperature reached 35 degrees Celsius in New York City on Monday as a result of a prolonged heat wave. (Photo by Shannon Stapleton/Reuters)

A woman sits by a fountain in central Moscow, Russia on June 23, 2021. On June 23, 2021, daytime temperature is expected to reach +36°C (96.8°F). An orange weather warning has been issued due to the heat wave. (Photo by Sergei Fadeichev/TASS)

Nobby the polar bear cools down as he plays in a lake at the Yorkshire Wildlife Park in Doncaster, England, Friday June 17, 2022. A blanket of hot air stretching from the Mediterranean to the North Sea is giving much of western Europe its first heat wave of the summer, with temperatures forecast to top 30 degrees Celsius (86 degrees Fahrenheit) from Malaga to London on Friday. (Photo by Danny Lawson/PA Wire via AP Photo)

A woman eats an ice cream as people sunbathe on the beach in Barcelona, Spain, Friday, January 26, 2024. Spain's weather agency says recent abnormally high temperatures for this time of year are set to continue in many parts of Spain on Friday and over the weekend, with an almost summer-like feeling in many coastal areas as people take to the beaches to sunbathe and some to have a winter swim. (Photo by Emilio Morenatti/AP Photo)

A child sitting in a washbowl filled with water cools himself as civilians struggle with protecting themselves from the dangers of extreme heat at the refugee camp, in Idlib, Syria on July 13, 2023. The civilians, who fled from the attacks of the Syrian Army, live under harsh conditions without infrastructure and electricity while the temperature reaches 47 Celsius in the region. (Photo by Izzeddin Kasim/Anadolu Agency via Getty Images)

While much of the U.S. sustains another round of winter weather, a brown anole, a species of lizard, finds a blooming poinsettia the perfect perch to catch some afternoon rays of sunshine in a Maitland, Fla., neighborhood, Monday, January 8, 2024. After a cold front brings storms to Central Florida on Tuesday, rain returns to the forecast on Friday with temperatures near 80 predicted. (Photo by Joe Burbank/Orlando Sentinel via AP Photo)