Vienna Observatory

The Vienna Volksoper (Volksoper Wien or Vienna People's Opera) is a

The Liechtenstein Museum is in Vienna, Austria, named after the

The Sigmund Freud Museum in Vienna is a museum founded in 1971

弗洛伊德博物馆（Sigmund Freud Museum）位于弗洛伊德在维也纳的心理诊所和住所，主题是他的生平以及精神分析的历史。

The Votive Church (German: Votivkirche) in Vienna, Austria, is one of

The Rathaus is a building in Vienna which serves as the seat both of

The Wiener Börse AG (also known as the Vienna Stock Exchange (WBAG))

The Schottenstift or Scottish Abbey (full name: Benediktinerabtei

The W. M. Keck Observatory is a two-telescope astronomical observatory

Griffith Observatory is in Los Angeles, California, United States.

The Lick Observatory is an astronomical observatory, owned and

Purple Mountain Observatory (Шаблон:Zh), also known as Zijinshan Astro

The Mount Washington Observatory (MWObs) is a private, non-profit