Planning Guide

Exploring Downtown Houston

Market Square, Discovery Green, the Theater District and the weekday underground tunnel network.

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Two levels of Downtown

At street level, Discovery Green, Market Square Park and the Theater District are walkable. Below street level, a six-mile network of air-conditioned tunnels links office towers with shops and lunch spots.

Tunnel hours

The tunnels follow weekday business hours and close on weekends and federal holidays. Book tunnel tours for Monday through Friday.

Relevant Verified Experiences

Guided Walking Tour · Shared small group · About 2 hours

Astroville Houston Tunnel Tour: Downtown History & Hidden Gems

Platform: Viator

Meeting / Departure: Inside Starbucks at 910 Louisiana St (Enterprise Plaza), Downtown Houston

Included: Guide-led walk through the Downtown tunnel system and street-level architecture

Additional costs: Food and drinks

Requirements: Weekdays only — the tunnels follow business hours and close on weekends and holidays

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Guided Walking Food Tour · Shared small group · About 3 hours 30 minutes

Houston Downtown Food Tour with 5 Tastings

Platform: Viator

Meeting / Departure: Market Square Park Clock Tower, 301 Travis St, Downtown Houston Historic District

Included: Guide and five tastings as listed by the operator

Additional costs: Extra drinks, gratuities

Requirements: Moderate walking; tell the operator about dietary needs before booking

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Guided Walking Tour · Shared small group · About 1 hour 30 minutes

Walking Tour of Houston: History, Architecture, Street Art

Platform: Viator

Meeting / Departure: Outside Lyric Market by the cellist statue, 411 Smith St, Theater District

Included: Guide-led walk covering Downtown architecture and street art

Additional costs: Gratuities, food

Requirements: Easy walking; dress for heat

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Evening / Night Walking Tour · Shared · About 1 hour

Houston Hollow Heart Hauntings Ghost Tour

Platform: Viator

Meeting / Departure: Market Square Park Clock Tower, 301 Travis St, Downtown Houston

Included: Guided evening walk with Downtown history and ghost stories

Additional costs: Drinks, gratuities

Requirements: Evening start; check scheduled dates on the partner page

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