1. The Grossmünster Church is a Protestant church located in Zurich, Switzerland. Its construction began in 1100 and was completed in the early 13th century. The church is famous for its Romanesque architecture, including its iconic twin towers, which are approximately 50 meters high. The church has a rich history and is considered a significant landmark in Zurich.

One interesting fact about Grossmünster Church is that it was originally built as a Roman Catholic church, but during the Reformation, it became a Protestant church. Another fact is that legend has it that Charlemagne himself founded the church after he discovered the tombs of Saints Felix and Regula on the site.

2. The church is open every day from 10 am to 6 pm. The phone number is +41 44 252 59 49.

3. There is no entrance fee to the church, but if you wish to climb the towers, there is a fee of approximately 5 CHF. The church is easily accessible by public transportation, with trams and buses stopping nearby. The nearest stations are Bahnhofstrasse/HB and Rennweg, both a short walk away.