1. The Imperial Palace (Hofburg) in Innsbruck, Austria, is a significant historical and cultural site. It served as the residence of the Habsburg dynasty, who ruled Austria for centuries. The palace is an impressive complex of buildings and courtyards that showcases various architectural styles, including Gothic, Renaissance, Baroque, and Rococo.

One of the highlights of the palace is the Court Church, also known as the Hofkirche. It houses the tomb of Emperor Maximilian I, which is adorned with elaborate marble reliefs. The Silver Chapel within the church is also worth visiting, as it contains silver statues and altarpieces.

The Ambras Castle, located on the outskirts of Innsbruck, is another part of the Imperial Palace complex. It houses a notable art collection, including works by famous artists such as Titian and Velázquez. The castle also features a beautiful Spanish Hall, which is renowned for its intricate woodwork and provides a stunning setting for concerts and events.

2. The Imperial Palace is open to visitors throughout the year, except for certain holidays. The opening hours vary depending on the season, so it is recommended to check the official website or contact the palace for the most up-to-date information. The contact number for the Hofburg Palace is +43 512 594 890.

3. Ticket information for the Imperial Palace can be found on their official website or obtained by contacting them directly. The palace offers various ticket options, including combination tickets that allow access to multiple attractions within the complex, such as the Court Church and Ambras Castle.

In terms of transportation, the Imperial Palace is located in the heart of Innsbruck and is easily accessible by public transportation. The nearest tram stop is \"Maria Theresien Strasse\" or \"Hauptbahnhof,\" and the palace is within walking distance from there. If driving, there are parking facilities nearby, though it is recommended to check for availability and pricing in advance.