To say that 50-story Devon Tower, at 15 years old, already has a storied history is a pun, but it's true: Devon's place is secure in the story of oil.

Currently, Devon Tower is home to fine-dining and event space VAST, as well as, cafeteria Nebu and craft coffee and gelato proprietor Aravalli.

The Devon Tower became an iconic part of the OKC skyline, but no longer the HQ of a giant company. What will happen now? Tell us what you think.

The top of Devon Tower is known for displaying illuminated graphics, like the OKC Thunder logo on gameday. What will happen once headquarters move?

Add Yahoo as a preferred source to see more of our stories on Google. Devon Energy announced Monday that it plans move its headquarters from Oklahoma City and merge with Houston-based Coterra Energy.