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Bishop's Palace This Victorian castle, named one of the U.S.’s 100 most important buildings, is known for its 1888 architecture and opulent colored stone, rare woods, and intricate carvings. Downtown; 1402 Broadway; 409-762-2475; www.galveston.com/bishopspalace
Port of Galveston/Galveston Wharves What began as a trading post in 1825 is now an 850-acre port than ranks among the top terminals for cruise ships headed to the Caribbean. Sailing is seasonal, however, so check for up-too-date schedules at the Port of Galveston website. Seawall; 2024 Seawall Blvd.; 409-765-9321; www.portofgalveston.com
Schlitterbahn This year-round waterpark is a family favorite. Kids love Treasure Island rides while adults get a kick out of adrenaline-pumpers like Cliffhanger, an 81-foot freefall. Downtown; 2026 Lockheed Rd.; 409-770-9283; www.schlitterbahn.com/gal
Texas Aviation Hall of Fame What began as a private collection is now a public museum of World War II warbirds and military planes. Aviation fans can even take to the skies in a B-25 Mitchell bomber. Downtown; Galveston International Airport, 2002 Terminal Dr.; 888-359-5736; www.lsfm.org
Texas Seaport Museum Explore the ship Elissa, built in Scotland in 1877. At the museum next door, learn about the state’s oceangoing economy (especially the shrimping industry). Seawall; 21 Pier #8; 409-763-1877; www.tsm-elissa.org
The Colonel Paddlewheeler Spot birds and dolphins and enjoy a narrated tour of the city’s history as you boat through Offats Bayou, an inlet off the bay. Downtown; Moody Gardens, Seawall and 81st St.; 888-740-7797; www.galveston.com/colonel