The Anno 1800 Season 3 Pass includes the following three DLC:

DOCKLANDS
Turn your city into a global trade hub with a modular warehouse system and use trade contracts to create a monopoly on your favorite goods.

TOURIST SEASON
Attract the new Tourist resident tier to your city’s hotels and keep them entertained with restaurants and bus tours of touristic hotspots such as the new Tower monument.

THE HIGH LIFE
Change your empire’s skyline forever with the construction of the first skyscrapers and keep your high-flying investors happy with shopping malls and the construction of the game’s biggest monument, the Empire Building.

BONUS CONTENT
In addition, you will receive three exclusive ornaments themed after the new content, available today.