Explore Houston’s downtown tunnels before a direct shuttle to the NASA Johnson Space Center—general admission plus round-trip transport and about five hours to roam the exhibits. A compact, all-ages day that pairs urban architecture with aerospace history.
More ways to explore the area's outdoor wonders
You step into the cool, dim tunnel level beneath Downtown Houston, the city’s arteries humming above while mosaics and polished marble guide your footsteps. For the next hour you move through the country’s largest underground pedestrian system, pausing at sky-lit atriums and landmark lobbies before a comfortable shuttle carries you southeast toward the Johnson Space Center.
Difficulty
easy
Duration
7–8 hours
Fitness Level
Suitable for most fitness levels; requires walking on flat surfaces and standing in museum lines for extended periods.
Wildlife
History
Houston’s downtown tunnel system expanded through the mid-20th century to link offices and banks, while Johnson Space Center became NASA’s mission control hub in the 1960s and remains central to US human spaceflight.
Conservation
Practice low-impact tourism: use refillable bottles, follow Space Center exhibit rules, and stay on designated paths in nearby natural areas to protect riparian habitats.
Reserve your spot on the Astroville Tunnel Tour & NASA Space Center Ticket/Transportation today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Arrive early to check in
Meet 10 minutes before departure on the Bank of America Tower tunnel level to use restrooms and secure seating before the walking portion.
Book tram tickets in advance
NASA’s Mission Control tram has limited availability—reserve ahead through the provider if you want the full behind-the-scenes experience.
Hydrate and sun-protect
Houston sun and museum tram queues can be intense—bring a refillable water bottle and sunscreen for outdoor waits.
Allow flexibility for pickup
Return pickup has a 15-minute window; plan your final exhibit time so you’re not rushed to the exit.
Comfortable walking shoes
Flat, supportive shoes for tunnel walking and long museum circuits.
Reusable water bottle
Keeps you hydrated during outdoor tram queues and the shuttle ride.
summer
Sun protection (hat/sunscreen)
Needed for tram stops and any outdoor exhibit areas.
summer
Light layer or jacket
Museums and shuttles can be over-air-conditioned; a layer keeps you comfortable.
winter