United's terminals at Houston's largest airport just got a $180 million upgrade. Here are 4 dazzling restaurants travelers can now check out. (UAL)

• United Airlines's Terminal E at George H.W. Bush Intercontinental Airport in Houston is getting a culinary makeover. 
• The reimagining of Terminal E was completed by airport dining experts OTG.
• OTG's investment in United's Houston terminals totaled $180 million.
• The four restaurants were designed by Rockwell Group and all feature unique architecture and eye-catching layouts, with each restaurant having its own flavor and type of cuisine. 
• Q is a barbecue smokehouse with a meat-smoker built into the terminal. Gavi is an Italian restaurant and Tanglewood Grille is a Texas steakhouse. Yume is a Pan-Asian marketplace with a variety of food stations. 

George H.W. Bush Intercontinental Airport in Houston is adding four new stylish restaurants to its Terminal E. Done in collaboration with OTG, an airport experience consultant, the restaurants will be available for United Airlines customers to enjoy. 

OTG is no stranger to airport dining renovations. The company has also worked its magic on United's Terminal at Newark Airport, JetBlue's terminal at JFK International, American's terminal in Philadelphia. 

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The four new restaurants created for Terminal E were designed by Rockwell Group and all feature unique architecture and eye-catching layouts, with each restaurant having its own flavor and type of cuisine. 

Q is a barbecue smokehouse with a meat-smoker built into the terminal. Gavi is an Italian restaurant and Tanglewood Grille is a Texas steakhouse. Yume is a Pan-Asian marketplace with a variety of food stations. 

In addition to Terminal E, OTG has also worked to revamp Houston's Terminal B and Terminal C. In total, OTG's investment in United Houston terminals total $180 million. (United Airlines does not fly to Houston Hobby Airport.)

Take a closer look at the four new dining options in Terminal E at George H.W. Bush Intercontinental Airport in Houston:

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1. First up is Gavi. It's an Italian restaurant by Chef Ryan Pera.

Gavi aims to mimic an outdoor Italian bistro.

Its facade features a wavy black canopy and angular tree design.