Legendary Chicago radio personality Larry Lujack died Wednesday at the age of 73. We look back at two of Lujack's appearances from WTTW's archives. Watch the web extra videos.

Oak Park native, actress, blogger and magazine editor Tavi Gevinson joins us to talk about growing up in the public eye, college, and editing her new book: Rookie Yearbook Two. Read excerpts and watch videos.

In this edition of Ask Geoffrey, Geoffrey Baer brings us up to speed on the wildly popular railroad fairs of the late 1940s, where rail enthusiasts flocked to Chicago’s lakefront to see vintage and modern locomotives in action.

Chicago Sun-Times Theater Critic Hedy Weiss reviews new plays at Steppenwolf, Lookingglass, and some unusual holiday shows. Watch web extra video reviews.

The holidays would not be the same without it. We go behind the scenes to see how the Joffrey Ballet manages to keep its annual presentation of The Nutcracker fresh and new every year. Read an article.

Quarterback Jay Cutler turns in a rollercoaster performance in the Bears’ win over the Browns. James “Big Cat” Williams joins us to critique Cutler, break down the potent rushing attack, and preview the Eagles matchup. Watch a web extra video.

Tarell Alvin McCraney, an ensemble member at Steppenwolf Theatre, was the recipient of a $625,000 “genius grant” from the MacArthur Foundation this year. He joins us. Read an interview.

Randolph Street's Holiday Market, an art show in Bucktown, and the Chicago Symphony Orchestra’s holiday concert; Chicago Tonight knows what’s going on this weekend.

We talk with the South African Consul General about an event giving Chicagoans a chance to mourn and celebrate Nelson Mandela.

An art museum digs deep into its collection and brings out rarely seen works, from Frederic Remington to Salvador Dali. We revisit a preview of Inventory_The EAM Collection at the Elmhurst Art Museum. Read an Artbeat blog and view a gallery.

What’s wrong with this picture of an old firehouse on Lake Street near Kedzie? Look closely at how the word “Department” is spelled. Geoffrey Baer is on a hunt for more misspelled signs in the Chicago area for an upcoming edition of Ask Geoffrey. If you know of one, please share the information here.

The Bears are tied again for first place in the NFC North. James “Big Cat” Williams breaks down their latest win over the Cowboys, including Josh McCown’s stellar performance, and the receiving corps’ outstanding effort. Watch a web extra video.

Cass McCombs returns to Chicago on Friday, December 6 to play The Empty Bottle on Western Avenue.

A festive aquatic show, Winter WonderFest at Navy Pier, and holiday shopping at the Merchandise Mart; Chicago Tonight knows what’s going on this weekend.

Nelson Mandela died at age 95. Watch web extra videos about the anti-apartheid icon from WTTW's archives.

Besides the main arteries of museums and galleries, the Chicago area has endless capillaries of creativity.