Indian Dunes

On July 23, 1982, a Bell UH-1 Iroquois helicopter crashed at Indian Dunes in Valencia, Santa Clarita, California, United States, during the making of Twilight Zone: The Movie. The crash killed actor Vic Morrow and child actors Myca Dinh Le and Renee Shin-Yi Chen, who were on the ground, and injured the six helicopter passengers. The incident led to years of civil and criminal action against the personnel overseeing the shoot, including director John Landis, after the incident new procedures and safety standards in the filmmaking industry were introduced.

Castaic Creek (Chumash: Kaštiq) is a 25.0-mile-long (40.2 km) stream in the Sierra Pelona Mountains, in northeastern Los Angeles County, California. It is a tributary of the Santa Clara River.

Del Valle is an unincorporated community in Los Angeles County, California, United States.

Val Verde () (Spanish for "Green Valley") is an unincorporated community in the southeastern Topatopa Mountains foothills, and in northwestern Los Angeles County, California. The unincorporated community of Valencia (Newhall Ranch) is southeast, and the city of Santa Clarita is east of the community. Its population was 2,468 at the 2010 census, up from 1,472 at the 2000 census. For statistical purposes the Census Bureau has defined Val Verde as a census-designated place (CDP).

Castaic Junction is an unincorporated community located in Los Angeles County, California. It is located at the crossroads of Interstate 5 and State Route 126 near the confluence of Castaic Creek and the Santa Clara River. Places in Castaic Junction carry a Valencia zip code, and it is adjacent to the City of Santa Clarita. Six Flags Magic Mountain theme park is just south of the intersection

Rancho San Francisco was a land grant in present-day northwestern Los Angeles County and eastern Ventura County, California. It was a grant of 48,612 acres (19,673 ha) by Governor Juan B. Alvarado to Antonio del Valle, a Mexican army officer, in recognition for his service to Alta California. It is not related to the city of San Francisco. The rancho is the location of the first popularly known finding of gold in the Southern California area in 1842, in Placerita Canyon. Much of the present day city of Santa Clarita lies within the boundary of what was Rancho San Francisco. The adobe headquarters of the rancho, and the site of the gold find (known today as the "Oak of the Golden Dream"), are designated California Historical Landmarks. The rancho included portions of the San Gabriel, Santa Susana, Topatopa, and Sierra Pelona Mountain ranges.

The Riddler's Revenge is a stand-up roller coaster located at Six Flags Magic Mountain. Manufactured by Bolliger & Mabillard, the ride opened as the park's eleventh roller coaster on April 4, 1998, setting multiple world records among stand-up coasters. Originally located in the Movie District section of the park, which later became Metropolis in 2017, The Riddler's Revenge was also the park's single biggest investment at a cost of $14 million. It features a height of 156 feet (48 m), a maximum speed of 65 mph (105 km/h), six inversions, and a track length of 4,370 feet (1,330 m).

Psyclone was a wooden roller coaster located at Six Flags Magic Mountain in Santa Clarita, California. Designed by Curtis D. Summers and constructed by the Dinn Corporation, the roller coaster opened to the public on March 23, 1991. Psyclone's design was modeled after the well-known Coney Island Cyclone roller coaster, a historical landmark located at Coney Island in New York City. It featured eleven hills, five high-speed banked turns, and a 183-foot-long (56 m) dark tunnel. Bolliger & Mabillard, a company that builds steel roller coasters, manufactured the trains for Psyclone.

Valencia is an unincorporated community in northwestern Los Angeles County, California. This area, with major commercial and industrial parks, straddles State Route 126 and the Santa Clara River. Development projects continue to be built in the unincorporated area. A major expansion of Valencia is under construction with new residential neighborhoods and the expansion of commerce and industrial developments. Spanning the Santa Clara River, the massive Newhall Ranch development was conceived by the Newhall Land land management company in the 1980s. After lengthy delays due to environmental challenges and change of investors, the project broke ground in 2017 and was renamed FivePoint-Valencia. The new development is directly west of Six Flags Magic Mountain.

Apocalypse: The Ride, formerly known as Terminator Salvation: The Ride, is a wooden roller coaster located at Six Flags Magic Mountain in Valencia, California. Manufactured by Great Coasters International, the roller coaster opened to the public on May 23, 2009. It is located in The Underground section of the amusement park on a plot of land formerly occupied by the Psyclone (1991-2007), Shockwave (1986-1988) and Sarajevo Bobsleds (1984-1986). It was the first wooden coaster to feature onboard audio, and its Terminator theme was short-lived following a corporate restructuring by Six Flags in 2011.

West Coast Racers is a dueling steel roller coaster located at Six Flags Magic Mountain theme park in Valencia, California. Manufactured by Premier Rides, the ride is a collaboration between West Coast Customs and Six Flags that was promoted as the world's first launch version of a racing roller coaster. After multiple delays and missing the 2019 summer season, the ride eventually debuted on December 21, 2019, in a series of preview events spanning several weeks. It officially opened to the public on January 9, 2020. West Coast Racers is located in a newly-themed section of the park named The Underground, which replaced the former Cyclone Bay.

North County Correctional Facility (NCCF) is a Los Angeles County jail, run by the Los Angeles County Sheriff's Department. Located approximately 40 miles (64 km) northwest of downtown Los Angeles, it is one of four jails located within the Pitchess Detention Center (named after former Sheriff Peter J. Pitchess), in Castaic, California. The facility's construction began in 1985, and it was formally dedicated on March 1, 1990 by then Sheriff, Sherman Block, and the President of the United States, George H. W. Bush. NCCF consists of five jails within the same facility, and it has an inmate population of about 3,800. It can provide for disciplinary segregation and clinic-level medical treatment. The facility is commonly referred to as the "Flagship"; it was designed and constructed to be cost-efficient with regard to the ratio of staff members to inmates and vocational productivity. NCCF has a ratio of ten inmates to each staff member. The facility features educational, vocational and counseling programs. These programs have been designed to assist the facility's inmates in becoming self-sufficient within the law.