Gen. Charles S. Farnsworth County Park

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.

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.

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 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.

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.

Echo Mountain is a mountain promontory of the San Gabriel Mountains, in the Angeles National Forest above Altadena, in Los Angeles County, California.

The Zane Grey Estate is a historic house in Altadena, California. It was listed on the National Register of Historic Places in 2002.The main house was built by Chicago business machine manufacturer Arthur Herbert Woodward. Designed by architects Myron Hunt and Elmer Grey, the 1907 Mediterranean Revival style house is acclaimed as the first fireproof home in Altadena, built entirely of reinforced concrete as prescribed by Woodward's wife, Edith Norton Woodward. Edith Woodward was a survivor of the Iroquois Theater Fire of 1903.In 1920, spurred by the memory of a visit to Altadena during their honeymoon, Zane Grey and his wife bought the home. After the Greys bought it they built an addition on the roof for a studio and library. After the Greys' death, their sons owned the property. The actual grounds were divided up and neighboring house were built on them. The house was sold by their son, Romer, in 1970.

The Mount Lowe Railway was the third in a series of scenic mountain railroads in the United States created as a tourist attraction on Echo Mountain and Mount Lowe, north of Los Angeles, California. The railway, originally incorporated by Thaddeus S. C. Lowe as the Pasadena and Mt. Wilson Railroad Co., existed from 1893 until its official abandonment in 1938, and was the only scenic mountain, electric traction (overhead electric trolley) railroad ever built in the United States. Lowe's partner and engineer was David J. Macpherson, a civil engineer graduate of Cornell University. The Mount Lowe Railway was a fulfillment of 19th century Pasadenans' desire to have a scenic mountain railroad to the crest of the San Gabriel Mountains. The Railway opened on July 4, 1893, and consisted of nearly seven miles (11 km) of track starting in Altadena, California, at a station called Mountain Junction. Atop Echo Mountain was a 70-room Victorian hotel, the Echo Mountain House. A short distance away stood the 40-room Echo Chalet, which was ready for opening day. Other buildings on Echo Mountain included an astronomical observatory, car barns, dormitories, repair facilities, a casino and dance hall, and a menagerie of local fauna.For the seven years during which Lowe owned and operated the railway, it was not financially successful, and was eventually sold. A series of natural disasters destroyed the facilities, the first of which was a kitchen fire that destroyed the Echo Mountain House in 1900. Further fires and floods eventually destroyed any remaining facilities, and the railway was officially abandoned in 1938 after a flood washed railway property off the mountain sides. The ruins of Mount Lowe Railway remain. It was placed on the National Register of Historic Places on January 6, 1993, a listing that was enlarged in January 2015.

Scripps Hall, also known now as the Pasadena Waldorf School, is a large American Craftsman or Arts and Crafts style house located in the foothills of the San Gabriel Mountains, in Altadena, California, United States. It was built in 1904 as the central feature of the Scripps Estate, and is listed on the National Register of Historic Places.

Pasadena Waldorf School is a co-educational Waldorf school in Altadena established in 1979 and whose educational system is based on the methods of Rudolf Steiner.

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.

Villa Carlotta is the name of two landmark buildings in greater Los Angeles, California.