General Baker, Chief of the United States Secret Service, born in Stafford, Genesee County, N. Y., October 13th, 1826, died in Philadelphia, Pa., July 2nd, 1868. In 1848 he went to New York and Philadelphia, and in 1853 to San Francisco,...

A map of California from 1906 showing the State capital of Sacramento, major cities and towns, railroads, mountain systems, lakes, rivers, and coastal features. Two inset maps detail the San Francisco Bay area and the vicinity of Los...

A map from 1912 of the Manila Bay area of the Philippines. The map shows the capital city of Manila, railways, rivers draining into Manila Bay (including the Pasig and Pampanga), the freshwater lake Laguna de Bay, and neighboring cities...

A map of the Pacific region of the United States west of the Rocky Mountains in 1841-1850. The map shows the Old Spanish Trail from Los Angeles to Santa Fe, the Pioneer Route from the Platte River to San Francisco, the routes of Fremont...

The Virtual Museum of the City of San Francisco displays the history of the Mexican-American War, including an explanation of border changes in the California and Mexico areas. It also discusses the idea of Manifest Destiny.

The Virtual Museum of the City of San Francisco displays the history of the Mexican-American War, including an explanation of border changes in the California and Mexico areas. It also discusses the idea of Manifest Destiny.

This page from the Federal Reserve Board provides a map of the 12 Federal Reserve Districts with addresses, phone numbers, and links to the following Federal Reserve Banks: Boston, New York, Philadelphia, Cleveland, Richmond, Atlanta,...

Provides a short description of the development of the transcontinental railroad and the "Big Four" behind the construction. From the San Francisco News Letter of September 1925.

Provides a short description of the development of the transcontinental railroad and the "Big Four" behind the construction. From the San Francisco News Letter of September 1925.

This site from the Museum of the City of San Francisco provides an article from a prohibition-period newspaper that reports the new attack by prosecutors on policemen who have been bribed by bootleggers.

This site from the Museum of the City of San Francisco provides an overview of the completion of the transcontinental railroad project from a 1925 publication.

This is an in-depth site from the Museum of San Francisco covering the adventures of William Walker, including his conquering of Nicaragua.

At this site from the Museum of San Francisco you can check out this biography of Progressive visionary Henry George, taken from an 1889 encyclopedia (so, according to this article, he's not dead yet!). Includes photo.

The Exploratorium museum in San Francisco provides this exhibit companion site that features information about frogs including their habitats, characteristics, calls, and much more. Instructions are included for making a rainstick.

The Exploratorium museum in San Francisco provides this exhibit companion site that features information about frogs including their habitats, characteristics, calls, and much more. Instructions are included for making a rainstick.

The Exploratorium museum in San Francisco provides this exhibit companion site that features information about frogs including their habitats, characteristics, calls, and much more. Instructions are included for making a rainstick.

The Exploratorium museum in San Francisco provides this exhibit companion site that features information about frogs including their habitats, characteristics, calls, and much more. Instructions are included for making a rainstick.

This outstanding multimedia site documents the earthquake and related events that took place on October 17, 1989 in the San Francisco Bay Area.

A map of California from 1892 showing the State capital of Sacramento, counties and county seats, major cities and towns, railroads, mountain systems, lakes, rivers, and coastal features. An inset map details the San Francisco Bay area.

A map of the United States showing the results of the House vote on the Wilson Tariff Bill (also known as the Wilson-Gorman Tariff Act or the Revenue Act), August 13, 1894. The proposed tariff was a reduction of the earlier McKinley...

A map from 1920 of Mexico showing major cities and ports, railroads with connections to the railroad network in the United States, shipping routes from New Orleans and San Francisco with distances given in nautical miles, rivers with...

A map from 1885 of North America, Central America, Greenland, and the Caribbean showing political boundaries at the time, major cities, mountain systems, lakes, rivers, and coastal features of the region. Ship routes from San Francisco...

A map from 1911 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing the areas of primary vegetation types for the region. The map is color-coded to show areas of forests, areas of woodland, grass, and...

A map from 1911 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing the population distribution at the time. The map is color-coded to show population densities from under 2 persons per square mile to...