Art Car Museum (fun, wacky gallery)
Beer Can House (house made entirely out of beer cans)
Discovery Green (downtown park, check out the different events here)
Giant Cellist Statue (36ft. tall statue in front of the Lyric Center)
Karbauch Brewing Tours
Menil Collection (free, great museum)
Museum District (19 museums within 1.5 miles)
Presidents Heads and The Beatles (fun, huge statues-20ft. and 40ft. tall, outside The Adickes Sculpturworx Studio; 2500 Summer St)
Saint Arnold Brewery (TX oldest brewery, take a tour)
Space Center Houston (learn all about NASA)
Rothko Chapel (great place to meditate)
Speed Across America 