15 Things to Do in Copenhagen
Numbers match the list below — worth booking, free, food & harbour. The Copenhagen Card (#4) and day trips (#5) aren’t single spots, so they have no pin.
The paid hits (worth booking)
1Canal cruise
The most efficient single hour in Copenhagen: Opera House, Black Diamond, Christianshavn canals, Nyhavn, and the Little Mermaid seen from the water. 1 hour, year-round, €21, leaving from Gammel Strand or Nyhavn. If you book one thing, book this — it shows you half the city and saves the walk to the Mermaid.
2Tivoli Gardens
Opened 1843; the world’s second-oldest amusement park, and much more garden than theme park. Entry ~€22, rides extra. Seasonal: summer (April–September), Halloween (October), Christmas (November–December). The gardens alone are worth an evening wander under the illuminations.
3Rosenborg Castle
Christian IV’s 17th-century pleasure palace in the King’s Garden, home of the Danish Crown Jewels. The Treasury is the highlight; allow 1 to 1.5 hours inside. The surrounding King’s Garden is free and full of locals on sunny days — a picnic there costs nothing.
4Copenhagen Card
€79 for 24 hours. Covers 80+ attractions, all public transport, and the canal cruise. It breaks even around Tivoli + Rosenborg + a day of transport; past that it saves real money. Not a sight, but it decides how you pay for the rest of this list.
5Day trips: three castles
Kronborg (Hamlet’s castle) in Helsingør, Frederiksborg Palace in Hillerød, and Roskilde Cathedral — all reachable by train, or in one 8.5-hour coach tour (€185). Worth a full day if you have three or more in the city.
The free hits (do these first)
6Amalienborg Palace + guard change
The royal square: four identical rococo palaces around an octagonal plaza. Daily at 12:00 the guards arrive in dress uniform — time it right and you can follow them from Rosenborg (~11:30) on their 20-minute ceremonial route through the city. Crowds gather by 11:45.
7Christiansborg Palace tower
The tallest tower in the city at 106 m, and free to go up. The view covers the whole of central Copenhagen. The palace state rooms below are ticketed; the tower alone is 30 minutes well spent.
8Freetown Christiania
A 1971 commune on former military barracks, ~1,000 residents, murals, workshops, and lakeside paths. Pusher Street was cleared in 2024. Free to walk; respect the no-photo zones.
9Nyhavn
The 17th-century harbour with the coloured townhouses and wooden ships — the postcard. Free to walk; the café tables cost money. Best light for photos at sunrise or golden hour, before the crowds fill the quay.
10The Little Mermaid
Edvard Eriksen’s 1913 statue, just 1.25 m tall, on the Langelinie promenade. Heavily crowded and famously underwhelming up close — the better view is from the water on the canal cruise.
11Kastellet
A 17th-century star-shaped fortress with a working windmill and red barracks, still partly military. A 15-minute walk through connects to the Langelinie harbour path — combine it with the Mermaid (#10) in one loop.
12Marble Church (Frederik’s Church)
The copper dome you see from Amalienborg — the largest in Scandinavia. The dome floor is free to enter; the upper gallery and chancel are ticketed. Two minutes from the guard change (#6).
13Strøget
1.1 km of pedestrian shopping street from Rådhuspladsen to Kongens Nytorv: design shops, department stores, international chains. Walk it once between sights — or skip it guilt-free.
Food, shopping, and harbour life
14Torvehallerne + Danish food
The market halls near Nørreport station: dozens of food stalls, smørrebød counters, bakeries, and organic produce, busiest 10:00–14:00. For a guided version, the food tour (€120) covers it and the street-food spots in 3–4 hours.
15Harbour baths + bike ride
Copenhagen’s harbour is clean enough to swim in: the Islands Brygge bathing dock is free all summer (locals swim year-round). And the 3-hour highlights bike ride (€53) strings most of this list together the way locals actually travel.
How to sequence them
Copenhagen doesn’t reward a checklist sprint — but it does reward a good order. A first day that works, on foot the whole way:
One day: canal, Amalienborg guard change, Strøget, Rosenborg, Tivoli evening.
Two days: above plus Christianshavn, Rosenborg interior, food.
Three days: add Christiania, Kastellet, bike tour or day trip.
Start with the canal cruise — it’s 1 hour, year-round, shows you the whole city from the water, and costs €21. Skip the Little Mermaid unless you love tiny statues; see it from the boat instead. The guard change at 12:00 is free and actually dramatic.
Frequently asked questions
What are the top things to do in Copenhagen?
Canal cruise (€21), Tivoli Gardens, royal palaces (Rosenborg, Amalienborg, Christiansborg), Freetown Christiania, and Nyhavn. The free hits — guard change, Kastellet, Marble Church, parks — are equally worthwhile.
What is Copenhagen best known for?
Tivoli Gardens (opened 1843), the canals and harbour, design and architecture (Nyhavn, Christiansborg), the hygge culture, Danish food (smørrebrød, pastries), and being compact and bike-friendly. Also Freetown Christiania, though it’s equal parts famous and controversial.
What should I not miss?
The canal cruise if you have one hour. The guard change at Amalienborg at 12:00 if you can time it. A proper smørrebrød lunch. Nyhavn at sunrise (fewer crowds). A swim or walk at the harbour in summer.
Can I do Copenhagen in one day?
Yes, though rushed. See the guide: cruise (1 h), Amalienborg + guard change (1 h), Strøget walk (20 min), Rosenborg (45 min), Tivoli evening (2 h). Doable because the city is compact.
Is the Copenhagen Card worth it?
Yes, if you're staying 2+ days and want to visit Tivoli, Rosenborg, museums, and take tours. €79/24 h includes transport (airport to city centre). Breaks even fast.
What's free to do?
Amalienborg guard change (12:00), Christiansborg tower, Freetown Christiania, Nyhavn, King’s Garden, Kastellet, Marble Church ground floor, and walking the city. Many museums free or cheap on specific days.