Perlan – The Pearl
Six repurposed hot-water tanks wrapped in a glass dome — one of them is now a 100-metre ice cave.
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Perlan turns Reykjavík's old district heating infrastructure into a natural history museum with real teeth. The ice cave is built from roughly 400 tons of ice, snow, and ash. The planetarium runs an Aurora Borealis show called Áróra. A 360° observation deck crowns the glass dome, perched on Öskjuhlíð hill — 61 metres above sea level at its base. Four of the original tanks still heat the city; you're standing on working infrastructure the whole time.
What to look for
- The ice cave walls — look for the layers of volcanic ash mixed into the 400 tons of ice and snow
- The Látrabjarg cliff replica: ten metres tall, modelling one of Europe's biggest seabird cliffs
- The six tank drums visible beneath the glass dome — each holds up to five million litres of hot water
Perlan sits on Öskjuhlíð hill; the observation deck, ice cave, planetarium, and café are all inside the same building.
Perlan – The Pearl is one of 17 sights worth the detour in Reykjavik, all bundled offline in Voyage GO — download the Reykjavik pack and it sits on your map with no signal, filling your travel passport the moment you walk past.
More to see in Reykjavik
- HallgrímskirkjaA 74-metre church modeled on Iceland's volcanic basalt columns — 41 years in the making, visible from nearly anywhere in the city.
- Icelandic Phallological MuseumOne exhibit needs a magnifying glass; another once measured 170 cm. Both are real.
- LaugardalsvöllurThe city that dreamed of a sporting venue in 1871 — when Reykjavík held just 2,000 people — finally opened a football stadium here in 1959.
- National Museum of IcelandA carved wooden door where a knight slays a dragon and gains a lion as his companion — and that is the headline object.
- Bessastaðir — Presidential ResidenceSnorri Sturluson farmed here in the 1200s. Turkish slave raiders attacked in 1627. Today the president of Iceland calls it home.
- Imagine Peace TowerA column of light rises 4,000 metres into the Arctic sky from a wishing well on a small island — Yoko Ono's memorial to John Lennon, running on geothermal power.