20 theaters visited by Patrick Horisberger

Bolshoi Theatre

Broadway theatre

Burgtheater

Carnegie Hall

Globe theatre

Konzerthaus Berlin

Le Moulin Rouge

Lincoln Center

Mariinsky Theater

Moscow theater of musical

Oper Frankfurt

Radio City Music Hall

Schauspielhaus

St. Pauli Theater

TCL Chinese Theatre

Teatro del Torrino

Teatro Malatesta

Teatro Real

Theatre of Dionysus

Uptown Geneva