St. Stephen's Cathedral, Vienna
Tel: 43 15155 23526
Concierge.com's insider take:
Commissioned in 1136 by Leopold IV and Reginmar, the Bishop of Passau, this Gothic cathedral with a colorful glazed-tile mosaic roof lies at the center of Vienna. Kärntnerstrasse, the Graben, and Rotenturmstrasse all radiate outward from it, and the south tower, soaring 446 feet, is visible from almost everywhere in the inner city (you might be defeated by its 343 steps). Climb the narrow staircase of the Pummerin tower, on the north side, for a bird's-eye view of the city's rooftops. Eight masses are held on Sundays; six on most other days.
Open daily from 9 am to 11:30 am, and Sundays from 1 pm to 4 pm.