Germany’s most visited landmark and a UNESCO World Heritage Site, the twin-spired Gothic cathedral beside the main station, now with timed visitor tickets, a 533-step climb up the south tower and a treasury of gold and relics beneath the square.

The ship-shaped museum on the Rheinau harbour that tells the story of cocoa from rainforest to bar, with a working chocolate production line, a tropical cocoa greenhouse, a towering chocolate fountain and a café with views over the Rhine.
A one-hour KD sightseeing cruise from the old town pier under the Hohenzollern Bridge, with English and German commentary, the cathedral skyline, the Rheinauhafen Crane Houses and the bridges of Cologne seen from the water.

The house where Johann Maria Farina created the original Eau de Cologne in 1709, now a museum visited on costumed guided tours through the historic rooms and cellar of the world’s oldest fragrance factory still in business.
From mid November Cologne fills with some of Germany’s most famous Christmas markets, below the cathedral, in the old town squares, on Neumarkt and on the harbour, and KD adds a festive two-hour Advent cruise on the Rhine.

A virtual reality time trip on the Alter Markt that takes you back to Cologne in 1926, through a silent-film cinema and a hat-maker’s workshop to a VR ride in a historic tram across the city of the Golden Twenties.

One of Germany’s oldest zoos, founded in 1860 in the leafy Riehl district north of the centre, with an elephant park, the Hippodom river landscape, a rainforest house and an aquarium with a terrarium and insect house.
Cologne’s official city card for 24 or 48 hours, combining unlimited public transport in the city area with discounts of up to 50 percent at museums, tours and attractions, including the Chocolate Museum and the cathedral treasury.

Cologne’s great museum of modern and contemporary art, right beside the cathedral, with one of Europe’s largest Picasso collections, landmark Pop Art, the Russian avant-garde, German Expressionism and a strong photography collection.
The museum of Roman Cologne, temporarily shown in the Belgian House near Neumarkt while its home on Roncalliplatz is renovated, with three floors of Roman glass, everyday objects, coins, toys and finds from the Rhineland.

The open-air viewing platform on the 29th floor of the KölnTriangle tower in Deutz, more than 100 metres above the Rhine, with the best full-frontal view of the cathedral, the Hohenzollern Bridge and the old town skyline.
One of Europe’s most acclaimed theme parks, in Brühl a short train ride south of Cologne, with richly themed worlds like Klugheim and Rookburgh, record-breaking coasters and a winter season, Wintertraum, from mid November into January.