Which airport has a flying saucer-like structure named the Theme Building?

Here is the question :

WHICH AIRPORT HAS A FLYING SAUCER-LIKE STRUCTURE NAMED THE THEME BUILDING?

Here is the option for the question :

Austin-Bergstrom
Orlando International
Chicago Midway
Los Angeles International

The Answer:

And, the answer for the the question is :

Los Angeles International

Explanation:

[STC0017853]. Vice President Lyndon B. Johnson dedicated the futuristic-looking Theme Building when it opened in 1961 in the heart of Los Angeles International Airport. The 135-foot-tall structure had a restaurant and a 360-degree viewing deck, and was designed to resemble a flying saucer that landed on four legs. The observation deck of the Theme Building is still operational, but the restaurant is no longer there.