Self-guided Sightseeing Tour #3 in Cambridge, United States

The Edward Dodge House is a historic house at 70 Sparks Street in Cambridge, Massachusetts. The 2+1⁄2-story wood-frame house was built in 1878 to a design by Longfellow and Clark. It has asymmetrical massing typical of Queen Anne styling, and also has a style of half-timbering on its upper levels that was popular in England in the 1860s. The exterior surfaces have a variety of textures, create by different sheathing types, including vertical boards, wood paneling, and brick patternwork.

Wikipedia: Edward Dodge House (Cambridge, Massachusetts) (EN)

The William Dean Howells House is a house built and occupied by American author William Dean Howells and family. It is located at 37 Concord Avenue, Cambridge, Massachusetts. The house was designed by Howell's wife, Elinor Mead, and occupied by the family from 1873 to 1878. Authors including Mark Twain, Henry James, Henry Wadsworth Longfellow, and Thomas Bailey Aldrich visited the Howells in this house, as did President James Garfield, and Helen Keller lived there afterwards while attending school.

Wikipedia: William Dean Howells House (Cambridge, Massachusetts) (EN)

The Harvard College Observatory (HCO) is an institution managing a complex of buildings and multiple instruments used for astronomical research by the Harvard University Department of Astronomy. It is located in Cambridge, Massachusetts, United States, and was founded in 1839. With the Smithsonian Astrophysical Observatory, it forms part of the Center for Astrophysics | Harvard & Smithsonian.

Wikipedia: Harvard College Observatory (EN)

The Asa Gray House, recorded in an HABS survey as the Garden House, is a historic house at 88 Garden Street, Cambridge, Massachusetts. A National Historic Landmark, it is notable architecturally as the earliest known work of the designer and architect Ithiel Town, and historically as the residence of several Harvard College luminaries. Its most notable occupant was Asa Gray (1810–88), a leading botanist who published the first complete work on American flora, and was a vigorous defender of the Darwinian theory of evolution.

Wikipedia: Asa Gray House (EN)

Gift of the Wind is a large-scale public kinetic sculpture, by Susumu Shingu, located in Porter Square, Cambridge, Massachusetts at the Porter, Massachusetts Bay Transportation Authority subway and commuter rail station. The artwork consists of a tall white pole with three red "wings" attached to the top that are "designed to shift in response to the movement of the wind, not only turning clockwise and counterclockwise, but tumbling over and over in various sequences". It is considered by some to be "Cambridge's most visible landmark".

Wikipedia: Gift of the Wind (EN)