Collect luggage and pick up your rental car at Houston George Bush Intercontinental Airport to begin the road trip; allow 45–60 minutes for immigration, luggage and pickup if flying in.
Choose one or two institutions (e.g. Museum of Fine Arts or Contemporary Arts Museum) — most open by 10:00 and close around 5:00–6:00; great introduction to Houston’s culture.
Space Center Houston is the official visitor centre of NASA Johnson Space Center (typically open 10:00–17:00); allow ~30–45 minutes driving from central Houston.
Pleasure Pier rides and amusements (hours often noon–22:00) or Moody Gardens (typically open 10:00–17:00); choose based on interests and seasonal hours.
Popular pink granite dome offering panoramic Hill Country views; park gate typically opens at 6:00, day‑use reservations/fees may apply — allocate 2–3 hours for the main summit trail.
Historic mission and battle site in downtown San Antonio; visitor centre generally open 9:00–17:00 — guided tours and exhibits explain its importance in Texas history.
Arrive at Houston George Bush Intercontinental Airport, return rental car and check in for your departing flight — allow at least 90 minutes for domestic or 2+ hours for international departures.
IAH has a range of restaurants and bars where you can enjoy a final Texan meal or snack before departure; terminal hours vary but most eateries open through typical flight hours.