Cosmopolitan Hotel and Restaurant

Old Town Transit Center, also known as San Diego–Old Town station or Old Town San Diego station, is an intermodal transportation station located in the Old Town neighborhood of San Diego, California. It is served by Amtrak's Pacific Surfliner, the COASTER commuter rail service, and the San Diego Trolley, as well as numerous San Diego Metropolitan Transit System bus lines. The station is located at the intersection of Rosecrans Street/Taylor Street and Pacific Highway, adjacent to Old Town San Diego State Historic Park and the freeway intersection of Interstate 5 and Interstate 8. It is also located about two miles southeast of SeaWorld San Diego and Mission Bay, providing access to the northernmost beaches in the city of San Diego. Free parking (Park & Ride) for up to 24-hours is available in the Transit Center lots.

Congress Hall was a historical wooden building in San Diego, California built in 1867. The Congress Hall site is a California Historical Landmark No. 66, listed on December 6, 1932, at 4016 Wallace Street, now Fandango Restaurant. Congress Hall building was a Pony Express Station from 1860 to 1861. Congress Hall was for a time a Robertson's saloon and billiard parlor. Congress Hall was built by George Dewitt Clinton and Washington, and Robinson. A historical marker is at the site of the former building a 2734 Calhoun Street, Old Town San Diego. Vincent Llucia purchased the building in 1870. Congress Hall was moved a to a nearby site across the plaza in 1870, by Vincent Llucia, to 4016 Wallace, Old Town San Diego, now Bara Bara saloon, at the southwest Corner of Calhoun Street and Wallace Street. At 4016 Wallace was the ruins of a 1830 house that had been owned by Rosario Aguilar and then Luis Serrano. The crumbling ruins were removed and Congress Hall moved to this lot. In 1884 Llucia changed the building in to a US Post Office. Vincent Llucia and his son, Vincent P. D. Llucia, became the Postmasters. The Congress Hall building was demolished in 1939.

Kosa'aay was a Kumeyaay village in what is now Old Town, San Diego.

Old Town San Diego State Historic Park, located in the Old Town neighborhood of San Diego, California, is a state protected historical park in San Diego. It commemorates the early days of the City of San Diego and includes many historic buildings from the period 1820 to 1870. The park was established in 1968. In 2005 and 2006, California State Parks listed Old Town San Diego as the most visited state park in California. In 1969, the site was registered as California Historical Landmark #830. Then on September 3, 1971, it was added to the National Register of Historic Places as Old Town San Diego Historic District.

Casa de Machado, also called Casa de Machado y Silvas is a historical Adobe building in San Diego, California built in 1832. The Casa de Lopez site is a California Historical Landmark No. 71, listed on December 6, 1932. Casa de Machado was built by José Manuel Machado, pioneer leatherjacket company soldier of the New Spain Army stationed in San Diego. He arrived at the San Diego Presidio in 1782 when he retired. José Manuel Machado built a house, Casa de Stewart, for his daughter Rosa, she married Jack Stewart. Stewart from Maine and was pilot boat operator in Maine. The Stewarts enlarged the house. Carmen Stewart Meza lived in the house for some years. The 1850s it was a Commercial Restaurant. 1930s, The Machado y Silvas family owned the house until the 1930s. In the 1930s and early 1940s the house was rooming-house, café, art studio, and souvenir shop. In 1942 the house became a church, Machado Memorail Chapel. Casa de Machado was acquired by California State Parks in 1968, who had it restored. The Casa de Machado y Silvas house's current address, 2737 San Diego Avenue, in Old Town, San Diego.

The Johnson House or Johnson Building is a reconstructed historic building located on La Plaza de Las Armas at 2706 San Diego Avenue in Old Town San Diego State Historic Park in San Diego, California.

Derby Dike is an Earthworks levee embankment built along the San Diego River in San Diego County, California, by Lieutenant George Derby in 1853. The Derby Dike is a California Historical Landmark No. 244 listed on June 10, 1936. The Derby Dike ran from Old Town San Diego to Point Loma, about 5 miles (8km). A California historical marker is at Taylor Street and Presidio Drive. Before the Derby Dike was built the San Diego River would often overflow its banks and flood parts of Old Town, San Diego and San Diego, California. The other problem was the river would flood San Diego harbor with debris. Lieutenant George Horatio Derby with the United States Army Corps of Topographical Engineers had the Derby Dike built so the river would flow into False Bay, now called Mission Bay, rather than into the at San Diego Bay's harbor. This was one of the first major US Government projects in California. While the Derby Dike helped with the flooding and debris flow into the Harbor, there were still major floods that overwhelm the Derby Dike. A major flood in 1853 destroyed parts of the Derby Dike, and the San Diego River flowed back ino the harbor. By 1875, the Derby Dike was repaired and the river was flowing back into False Bay. A major flood in 1884 again destroyed parts of the Derby Dike, and was repaired again. The Sweetwater Dam was built in 1888 to help stop the flooding problem. Six other dams were built on San Diego River, the last in 1898. The San Diego River was not fullly contained til the 1950s. The largest dam on the river is the El Capitan Dam completed in 1934 that is 27 miles up river from Old Town, San Diego.Derby-Pendleton House was constructed in 1851 by Lieutenant George Horatio Derby.

Casa de Carrillo House in San Diego, California in San Diego County, is a California Historical Landmark No. 74 listed on December 6, 1932. The Casa de Carrillo House is the oldest residence in San Diego. The Casa de Carrillo House was built by Presidio of San Diego Comandante Francisco María Ruiz (1754–1839). Ruiz was the leader of the Presidio from 1809 to 1827. The Casa de Carrillo house was built next to his pear orchard planted in 1808. The Adobe house was used by his relative and soldier, Joaquín Carrillo, and his family. Joaquín Carrillo, daughter Josefa Carrillo, ran away and sailed from the home and eloped to Chile with Henry Delano Fitch in April 1829. Francisco Ruiz died in 1839, when Joaquín Carrillo died, his son Ramon Carrillo sold the house and land to Lorenzo Soto. The house and land was sold a few times, it was poor condiction when sold in 1932 to George Marston and associates. George Marston and associates restored the house. After the restoration George Marston and associates donated the house and land to the City of San Diego. The City of San Diego turned the house and land into the Presidio Hills Golf Course. A California Historical marker is at the Old Town, San Diego Presidio Hills Golf Course, NE of Juan Street on Wallace Street. The Marker was place there in 1994 by State Department of Parks and Recreation working with the San Diego City Department of Parks and Recreation and Squibob Chapter, E Clampus Vitus.

Old Town is a neighborhood of San Diego, California. It contains 230 acres (93 ha) and is bounded by Interstate 8 on the north, Interstate 5 on the west, Mission Hills on the east and Bankers Hill on the south. It is the oldest settled area in San Diego and is the site of the first European settlement in present-day California. It contains Old Town San Diego State Historic Park and Presidio Park, both of which are listed on the National Register of Historic Places.

San Diego Viejo Plaza, (San Diego Old Plaza), also called Plaza de Las Armas (Plaza of the Cannon), Old Town Plaza, Washington Square, is a historical site in San Diego, California. San Diego Viejo Plaza site is a California Historical Landmark No. 63, listed on December 5, 1932. The plaza (town square) was the center of Pueblo de San Diego founded in 1835 in Alta California.

Exchange Hotel, also called Tebbett's Place was is a historical building in San Diego, California built in 1851. The Exchange Hotel site is a California Historical Landmark No. 491, listed on October 10, 1951. The Exchange Hotel was built by George P. Tebbetts and his partner Philip Hooff. Tebbetts became the third mayor of San Diego in 1852. Lieutenant George H. Derby stand at the Exchange Hotel when he arrived in San Diego to plan the Derby Dike in 1853. Soon after Exchange Hotel opened on June 29, 1851, a group of Free Masons had a meeting. This was the first Freemasonry meeting in San Diego. The group started a lodge which became San Diego Lodge No. 35, F. & A.M., the oldest lodge in Southern California. Exchange Hotel became the Franklin House, when a third story was added to the Exchange Hotel by Messers Franklin. Joseph Mannasse owned the Franklin House for sometime. Racine & Laramie Tobacconist built both the Exchange Hotel and the Franklin House. The Franklin House was lost in an April 1872 fire, the site has been a vacant lot for sometime.

Casa de Pedrorena, also called Altamirano-Pedrorena House is a historical Adobe building in San Diego, California built in 1869. The Casa de Lopez site is a California Historical Landmark No. 70, listed on December 6, 1932. Casa de Pedrorena was the home of Miguel de Pedrorena. In 1838 Miguel de Pedrorena arrived in San Diego Viejo. Don Miguel was a member of the California Constitutional Conventions at Monterey, California in 1849. Monterey Convention of 1849 was the first California Constitutional Convention to take place, a major decidion of the convention was to ban slavery and set state boundaries. Pedrorena sister, Isabel de Altamirano, received the house in January 1871. Isabel de Altamirano married Jose Antonio Altamirano and they raised their family here. Jose Antonio Altamirano was born in 1835 in La Paz, Baja California. Jose Altamirano arrived in San Diego in 1849. In San Diego he did some mining and raised cattle in San Diego and Baja California. The house's current address, 2616 San Diego Ave in Old Town, San Diego. Casa de Pedrorena is the newest and last of Old Town San Diego's adobe houses.