The Hofburg complex is visible from the rear of the Albertina building, here shown at sunset.
The Theatre Museum is now housed in the 19th century Lobkowitz palace.
It contains artifacts, costumes, and historical materials from Vienna’s theatrical history. The current special exhibition is on the history of Japonismus and the stage (reflecting the fin-de-siècle craze for Japanese art that also influenced the Impressionist painters) (image from the museum’s web site at http://www.theatermuseum.at/en/vor-dem-vorhang/ausstellungen/japonismus-auf-der-buehne/):
The entryway still displays a historisches Stil fountain from the mid 19th century: