O'Connell College Preparatory School

The Grand 1894 Opera House in Galveston, Texas is currently operated as a not-for-profit performing arts theatre. The Romanesque Revival style Opera House is located at 2020 Post Office Street in Galveston's Historic Downtown Cultural Arts District. It was named "The Official Opera House of Texas" in 1993 by the 73rd Texas Legislature. It has a seating capacity of 1,040.

Opened in 2015, The Bryan Museum, located in the historic Galveston Orphans Home in Galveston, Texas, US, houses The Bryan Collection, one of the world's largest collections of historical artifacts, documents, and artwork relating to Texas and the American West. Assembled by J.P. and Mary Jon Bryan, the collection spans more than 12,000 years, with pieces ranging from ancient Native American cultural artifacts to modern twenty-first century objects. With approximately 70,000 items in total, the collection includes 20,000 rare books; more than 30,000 documents in Spanish, German, French, and English; three dozen saddles; over 250 antique firearms; several hundred spurs; a large collection of fine art, religious art, folk art, and portraits; exceedingly rare maps and artifacts, such as "cowboy" chaps; Native American stone tools and arrowheads; and a Spanish mission bell. The Bryan Museum presents a chronological history of Texas and the American West with a special emphasis on the Spanish influences in the region. In addition to its permanent galleries, the Museum also includes space for rotating special exhibits, a library, and an archive.

Galveston Orphans Home, also known as Galveston Children's Home, was founded in 1878 by George Dealey (1829-1891) and moved to this location in Galveston, Texas in 1880. The original Gothic revival building was constructed from 1894-1895 with funding from Henry Rosenberg. It was destroyed by the storm of 1900 and newspaper publisher William Randolph Hearst hosted a charity bazaar at the Waldorf-Astoria Hotel in New York City to raise funds for a rebuild. It was completed in 1902. The building was listed on the National Register of Historic Places on March 21, 1979. It is located at 1315 21st Street. J.P. Bryan, a retired Texas oilman, purchased the Galveston Orphans Home on October 11, 2013 and thoroughly restored the building. The Bryan Museum opened its doors to the public in June 2015.

St. Joseph's Church is a historic church at 2202 Avenue K in Galveston, Texas. It is the oldest German Catholic church in Texas and one of the oldest buildings in Galveston.

Congregation Beth Jacob (Hebrew: בית יעקב) is a Conservative Jewish synagogue located at 2401 Avenue K, Galveston, on Galveston Island, Texas, in the United States. The present synagogue was built by Austrian, Russian and Hungarian immigrants in 1931. It was listed on the National Register of Historic Places in 2024.The congregation is small and active in the Galveston community. It is currently led Rabbi Todd Doctor. Rabbi Jimmy Kessler, of Congregation B'nai Israel, a local Reform synagogue, previously assisted the congregation with religious functions such as marriages and funerals.

Ashton Villa is a fully restored, historic home located on the corner of 24th and Broadway in Galveston, Texas, United States. Constructed in 1859, it was one of the first brick structures in Texas built by slaves.

Reedy Chapel A.M.E. Church is a historic African Methodist Episcopal (A.M.E.) church located at 2013 Broadway in Galveston, Texas. The church's congregation was founded in 1848 by enslaved African Americans and, following emancipation in 1865, the church was organized as Texas's first A.M.E. congregation in 1866. Reedy Chapel A.M.E. Church was one of locations of the public reading of General Order No. 3 by Union general Gordon Granger on June 19, 1865 which officially declared emancipation in Texas. The annual celebration of this declaration among African Americans continues today as the Juneteenth holiday. The church's first permanent building was constructed in 1863, but it was destroyed in the 1885 Galveston Fire. The current church building was constructed in 1886 and was named for the congregation's second pastor, Reverend Houston Reedy, who hosted the church's first annual conferences starting in 1867. The church was listed as a Recorded Texas Historic Landmark in 1975 and listed on the National Register of Historic Places in 1980 (updated in 1984). The church is listed for both its significance to Black history as well as its significance as a notable example of 19th century Gothic Revival architecture. The building is a survivor of the 1900 Galveston hurricane.

Rosenberg Library, a public library located at 2310 Sealy Street in Galveston, Texas, United States, is the oldest continuously operating library in Texas. It serves as headquarters of the Galveston County Library System, and its librarian is also the Galveston County Librarian.

The Texas Heroes Monument is located in Galveston, Texas, and was commissioned by Henry Rosenberg to commemorate the brave people who fought during the Texas Revolution. The monument was built by New England Granite Works using Concord, New Hampshire, granite and bronze. The total cost was $50,000, and it was shipped before June 4, 1899. The sculptor of the monument was Louis Amateis. It is located at the intersection of Broadway and Rosenberg Avenue. It was unveiled on April 22, 1900.

The Moody Mansion, also known as the Willis-Moody Mansion, is a historic residential building in Galveston, Texas located at 2618 Broadway Avenue. The thirty-one room Romanesque mansion was completed in 1895. The home is named for William Lewis Moody, Jr., an American financier and entrepreneur in the cotton business who bought the home from Galveston socialite Narcissa Willis. The mansion was added to the National Register of Historic Places on May 13, 1994. Tours are offered, and the facilities can be rented out for weddings and other events.

The Sonnentheil House is a historic house located at 1826 Sealy Ave. in Galveston, Texas. After the original Sonnenthiel home was destroyed in the Great Fire of 1885, Jacob Sonnentheil bought a double lot on the northeast corner of 19th and Sealy and built this house. The house was described as having been "planned from the inside out" meaning the interior spaces were planned prior to the exterior design.No architect claimed it at the time of construction, but it is suspected to be designed by Nicholas J. Clayton, because of stylistic elements common to Clayton's work. The Texas Historic Landmark inscription states: Built in 1886-87 for German native Jacob Sonnentheil (d. 1908), this home probably was designed by prominent Galveston architect Nicholas J. Clayton. Sonnentheil served with the Confederacy during the Civil War and operated a wholesale dry goods store on The Strand in Galveston. The Sonnentheil house displays influences of Eastlake, Gothic, and Italianate architectural styling. Outstanding features include the finely-crafted double galleryLee Trentham, a wealthy Houston chemical engineer and businessman purchased the house in 1976 and spent $275,000 restoring it. The Sonnentheil Home was owned by Arthur Louis Schechter from 1987 until 1999.

The Galveston County Courthouse is the county government's courthouse building in Galveston County, Texas. Several buildings have been constructed for and used as the courthouse over the years.