CHICAGO — The Chicago Transit Authority (CTA) is celebrating the 125th anniversary of its elevated rail service on Tuesday, offering riders the opportunity to ride on two vintage trains — one from 1923 and another from 1976 — dnaInfo reports.

Trains began running on the city's first elevated railway on June 6, 1892, after the Chicago & South Side Rapid Transit Railroad Co. built the first elevated tracks from Congress and State to 39th, with trains of wooden passenger cars pulled by small, coal-burning, steam locomotives. For the full story, click here.