Where Groucho Lived:

Stars' Addresses
His Street

 Where The Marx Bros. Were Spotted Around Town:

Chasen's
The Garden of Allah
The Hillcrest Golf Course

 Where the Marx Bros appeared live on the vaudeville stage:

The Broadway Theatre District

 Studios Where He Made Movies & TV Shows:

Paramount Studios (Their first films: "Coconuts," "Horse Feathers," "Duck Soup," "Animal Crackers," "Monkey Business")
MGM ("A Day at the Races," "A Night at the Opera," "The Big Store," "At the Circus," "Sunday Night at the Trocadero," "Go West").
Warner Bros Studios ("The Story of Mankind," "The King & the Chorus Girl")

 Where They Filmed "A Day at the Races" on location:

Santa Anita

 Where Groucho filmed "You Bet Your Life":

The Palace

 Where They Are Buried:

Eden (Groucho)
Forest Lawn Glendale (Chico and Gummo)
Chapel of the Pines (Margaret Dumont)
Hollywood Forever (their 'rivals', "The Ritz Bros")

(Harpo was cremated)

 Where They Have Been Immortalized:

Grauman's Chinese Theatre
Star on the Hollywood Walk of Fame
Movieland Wax Museum
Statue at the Television Hall of Fame

 Where You Can See Their Movies Today:

The Silent Movie Theatre