The Black Diamond exhibitions are included on both cards. Entry to the building is free to everyone, but the exhibitions cost €13 (95 DKK) without a card.
This is the one venue on the card where what you are paying for needs stating carefully, because half the building costs nothing to anybody.
A slab of black granite cantilevered over the harbour, joined to the old library behind it. An hour covers the exhibitions; the building itself takes ten minutes and costs nothing.
The extension leans out over the water in polished black granite, and the atrium behind the glass runs the full height of it with bridges crossing overhead. Walking in and looking up is free to anyone, and it is the single most photographed thing here.
The ticketed exhibitions draw on the national collection — manuscripts, photography, printed material and the objects a national library accumulates over centuries. This is the part the Copenhagen Card pays for, and the part worth a scan.
The nineteenth-century building the Diamond was bolted onto is still there, and the reading rooms in it are a complete change of register from the glass and granite out front. Also free to walk into.
Which part is free and which part the card pays for is the whole question here, and it took some establishing. Confirmed against kb.dk and the 2026 Copenhagen museums folder.
The harbour side of Slotsholmen, ten minutes from the centre on foot. Entry to the exhibitions is on both cards; the journey is only on one.
All three are included on the same card, so the only cost of adding them is the time. For the full list, see every attraction the Copenhagen Card covers.
Denmark's military history in Christian IV's arsenal, with the 156-metre Arsenal Hall and its rows of cannon the centrepiece.
Bertel Thorvaldsen's own collection in a building made for it — painted ceilings, ochre walls and room after room of neoclassical marble.
The rooms the Royal Family still uses for state occasions, above the ruins of the medieval castle, at the centre of Danish government.
The exhibitions are €13 per adult (95 DKK) without a card — the building itself is free to everyone. Both cards cover the exhibitions, along with 80+ more attractions and unlimited public transport.
Both cards cover the ticketed exhibitions, which are €13 (95 DKK) for an adult without a card, 50 DKK for under-27s and free for under-18s. Entering the building, the atrium and the reading rooms is free to everyone regardless — so the card saves you money here only on the exhibitions.
The Black Diamond opens every day, Mondays included. Monday to Friday it runs 10am to 8pm, which is one of the longest weekday openings on the card. Saturday closes at 6pm and Sunday at 4pm, so the weekend is shorter than the week rather than longer.
Nothing needs booking. Walk into the building, which is free, and show the QR code in the Copenhagen Card app at the exhibition entrance. Free children’s activities run throughout opening hours and need no ticket at all.
One scan per attraction applies, so the exhibitions are a single visit per card. The building itself is not ticketed, so you can come back for the atrium, the reading rooms or the harbour front as often as you like without using a scan.
Show the live QR code in the Copenhagen Card app at the entrance and let staff scan it. Your booking confirmation email is not your card, and a screenshot of the QR code will not scan — it has to be the app itself, which works offline once activated.