This all-encompassing Houston city tour, packed with historical insights and intriguing anecdotes, starts at the cowboy-themed Visitors Center, complete with Texas heritage artifacts. The tour continues with an exploration of the city's most important parks; Discovery Green, Houston's Graffiti, and Minute Maid Park. Next up, discover this historic Old Union Square - an old place for commerce, and a new place for art. After a few more stops at Houston's iconic landmarks, parks, and districts, including the Art Deco 1939 historic City Hall building in front of Hermann Square, you can pick up your all-inclusive ticket to the Downtown Aquarium. There, you'll marvel at a half-million-gallon undersea wonderland, home to 200 species of exotic aquatic inhabitants from across the globe - a captivating spectacle for the whole family.