Masjid Al-Taqwa (Altadena, California)

Pacific Electric Railway Company Substation No. 8, also known as the Altadena Substation, is a former traction substation in Altadena, California. It operated under the Pacific Electric Railway and served as the substation for Pasadena area lines.

UEDF Fish & Chips was a fish and chip shop in Altadena, California.

Altadena (pronunciation) ("Alta", Spanish for "Upper", and "dena" from Pasadena) is an unincorporated area and census-designated place in the Verdugo Mountains region of Los Angeles County, California, approximately 14 miles (23 km) from the downtown Los Angeles Civic Center, and directly north of the city of Pasadena, California. The population was 42,777 at the 2010 census, up from 42,610 at the 2000 census.

The Woodbury–Story House is a National Register of Historic Places structure (site #93001463) in Altadena, California. It was placed on the Register in 1993 for its significance as an example of Italianate and Colonial Revival architecture styles and its association with Capt. Frederick Woodbury, one of the founders of Altadena.

Lake Avenue is a major north–south feeder road for the Pasadena and Altadena communities in Los Angeles County, California. The road was developed in the mid 19th century and takes its name from a lake which was located at its southernmost end known variously as Mission Lake, Kewen Lake, and Wilson Lake reflecting different owners of the land. The lake bed still exists as a municipal park (Lacy Park) in the City of San Marino just south of the Raymond Dike, but it holds no water. It has been surrounded by residences who are served by a crisscross set of roads that dip into the edges of impression and back out the other side. Lake Avenue is approximately 5.06 miles (8.14 km) in length.

Sahag-Mesrob Armenian Christian School (SMACS) is a private Armenian Christian school currently located in Pasadena, California, after the school’s campus in Altadena, California was destroyed in 2025. Founded in 1980, it provides a Christ-centered education with a focus on Armenian cultural heritage for students from preschool to eighth grade.

The Andrew McNally House in Altadena, California was the home of Andrew McNally (1838–1904), co-founder and president of the Rand McNally publishing company. The Queen Anne Style house is listed in the National Register of Historic Places. McNally was an Irish immigrant who worked as a printer. When he came to the United States, he first worked for the Chicago Tribune when he met William Rand. Together they formed the company that bears their names. In 1880, McNally took his fortune and family and moved west They lived for a time in Pasadena, California before building their mansion in Altadena in 1887. The mansion is located on East Mariposa Street at Santa Rosa Avenue. McNally was a booster of the life in Altadena, and he convinced his friends to move here as well. They also built mansions along Mariposa, which soon began to be known locally as "Millionaire's Row". McNally paid Pasadena architect Frederick Roehrig $15,000 to design the Victorian house. Facing south, away from the street, the house offered vistas of the Los Angeles Basin, the Pacific Ocean, and Santa Catalina Island. The house has a three-story rotunda that allows a view to the San Gabriel Mountains to the north. McNally also built a private rail spur from Altadena Junction to his property to store his private railroad car. The grounds were lavishly landscaped, with an aviary along Mariposa St. His gardener also looked after the deodar cedars that grew along Santa Rosa Avenue. These trees became Christmas Tree Lane, which is also listed in the National Register. In 1904, McNally caught pneumonia while en route to his Windemere Ranch in La Mirada, California. (The ranch headquarters is also listed in the National Register.) He died shortly afterward. The gardens and aviary were neglected, some of the birds escaped. The property was then subdivided.

Bulgarini Vino Cucina, previously (and still commonly) known as Bulgarini Gelato Artigianale, is a restaurant specializing in Italian cuisine. Originally established as an ice cream parlor specializing in gelato, it is located at 749 East Altadena Drive in Altadena, California, beside The Bunny Museum.

North Lake is a large area of Pasadena, California, comprising all of the neighborhoods along North Lake Avenue between Walnut Street and Woodbury Road.

The Altadena Library District is an independent special district that serves the residents of Altadena, California, an unincorporated community north of Pasadena in the San Gabriel Valley of Los Angeles County. The district was formed in December 1926 under the provision of Sections 19600-19734 of the California Education Code. The district is supported by property taxes and governed by a locally elected Board of Library Trustees. according to a May, 2005 California State Department of Finance estimate, the District provides library services to a population of approximately 54,876 people. The system includes the main branch located at 600 E. Mariposa St., and the Bob Lucas Memorial Branch Library and Literacy Center located at 2659 Lincoln Avenue. In addition to the board and the staff, the Altadena Library has an active Friends of the Library which conducts an annual book sale and has a permanent store inside the library. The library has many special programs including summer reading programs, adult book clubs, Wi-Fi, a career center, the literacy center and a community room.

Christmas Tree Lane (Italian: Via dell'Albero di Natale) is a 0.7-mile (1.1 km) boulevard of deodar cedar trees in Altadena, California. The trees on the Lane, Santa Rosa Avenue, have been lighted annually as a Christmas Holiday display since 1920. The association that runs it claims it is "the oldest large-scale outdoor Christmas display in the world". Christmas Tree Lane was listed on the U.S. National Register of Historic Places in 1990, the same year it was also designated as California Historical Landmark No. 990.

Keyes Bungalow is a National Register of Historic Places structure in Altadena, California. It is also notable as being the home of Jackson Gregory an author of Westerns in the 1920s and 1930s. It remains a private home.The Keyes Bungalow's architecture is also known as "airplane" style for its wide, shallow roofline that resembles airplane wings. It was placed on the Register in 1978 for its significance as an example of a Craftsman style home.