The reasons we jealously protect secure UI surfaces (and origin attribution), Exhibit Ahttps://twitter.com/KrauseFx/status/917736145353695232 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
To be fair you can render that in a web UI pretty easily too.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.