Every July the city hosts the Largest Fair on the Rhine, a massive week-long funfair attracting more than four million visitors, as well as the popular Karneval, held each November 11th with its parades and colorful costumes.
Düsseldorf's most elegant shopping street is Königsallee, affectionately known to locals as the "Kö." Comparable to Avenue Montaigne in Paris, this long stretch of high-end real estate was laid out in 1802 and continues to draw the crowds with its eclectic mix of exclusive boutiques, luxury shopping arcades and art galleries, as well as numerous restaurants and cafés.
The three men were close friends, with the Camerons and Goves jetting off on family holidays together.
But their friendship hit the rocks after Mr Gove broke ranks with the then chancellor and PM to become the face of Leave campaign in the referendum.
Highlights include the palace's sumptuous interior, as well as a stroll around its huge park and gardens.