23 Pictures That Show Just How Incredible Summer Is In California

A group of bodybuilders pose in gymnastic formations at Muscle Beach, Santa Monica, in 1956.

Left: A man in sunglasses listens to his portable radio in Los Angeles in 1966. Right: People watch 4th of July fireworks at the Pismo Beach Pier in 2000.

A Studebaker is parked in front of a trailer in Laguna Hills Park in 1956.

Arnold Schwarzenegger lifts weights at Muscle Beach in 1977.

Bikini-clad teens frolic in the ocean circa 1970.

The intersection of Haight and Ashbury streets in San Francisco during the 1967 Summer of Love experience.

A young woman dances in the sun at the KFRC Fantasy Fair and Magic Mountain Music Festival, held at the summit of Mount Tamalpais near San Francisco in 1967.

The Sky Tram makes its way across Ocean Beach in San Francisco in 1964.

Under a tent that extends over their station wagon, the Baldwin family members eat a meal from metal plates at a campsite in Yosemite National Park in 1958.

A band performing to crowds in an old-fashioned fire engine at the Disneyland theme park in Anaheim in 1970.

Left: Cups and saucers filled with children at the Mad Hatter's Tea Party attraction in Disneyland in 1955. Right: A family rides the Mr. Toad Wild Ride attraction in Disneyland the same year.

The Hart Park swimming pool draws a big crowd on a hot summer afternoon in 1998.

Motorcycle police form a human pyramid during the July 4 parade in Pacific Palisades in 1994.

Fishermen on Baker Beach enjoy the view of the Golden Gate Bridge under construction in San Francisco circa 1930.

Left: Beachgoers relax at San Onofre State Beach in San Clemente in 1950. Right: Marilyn Monroe reclines on a wooden bench during a photo shoot in Griffith Park, Los Angeles, in 1950.

The sun sets over the Sunset District of San Francisco in 1999.

A group of teenagers walk along train tracks in the Watts neighborhood of Los Angeles in 1966.

A park ranger from the California State Department of Parks and Recreation leads a group of about 35 adults and children on a sunset hike at Saddleback Butte State Park in 1998.

Billy, a 16-year-old Asian elephant at the Los Angeles Zoo, plays in the pool while his handler sprays him down in 1997.

A group of people take a dip in Mirror Lake in Yosemite National Park in 2017.