Gemäldegalerie, Berlin

The first thing you notice is the light. It falls softly from above, filtered through skylights, and it settles evenly on the walls. There are no harsh spotlights here and no glare on the varnish. The floors are quiet underfoot, and voices drop without anyone asking them to. You are standing in one of the great picture galleries of Europe. It feels less like a palace and more like a long, calm conversation with the past.

The Gemäldegalerie, which simply means Picture Gallery, holds European painting from roughly the thirteenth to the eighteenth century. Its strength lies in depth rather than spectacle. Here you can follow Italian, German, Dutch, Flemish, Spanish and French painting room by room, almost decade by decade. Early panels glow with gold leaf. Later canvases fill with candlelight, taverns and ordinary faces. Few museums let you watch European painting change so clearly in a single walk.

The building around you is younger than many visitors expect. It opened in 1998, designed by the Munich architects Heinz Hilmer and Christoph Sattler. They chose restraint on purpose. The walls are covered in a muted fabric, the proportions are calm, and the daylight comes from the ceiling. The idea was simple. The architecture should step back so that the paintings can step forward. Notice how rarely the building asks for your attention.

At the heart of the gallery is a long central hall, wide and spare, with the painting rooms arranged around it like a ring. Use this hall as your compass. You can always return to it, rest, and choose a new direction. Look closely at the room signs too. The larger halls carry Roman numerals, and the smaller side cabinets carry ordinary numbers. Those small cabinets often hold the most intimate works, so do not skip them.

The collection itself is far older than its home. It grew out of the art owned by the Prussian royal family, the rulers of the kingdom centred on Berlin. In the nineteenth century these paintings went on public display in the new Royal Museums on Museum Island. Later, the museum director Wilhelm von Bode built up the collection with energy and a sharp eye. Many of the masterpieces you see today arrived during his long career.

Then came the Second World War, and here is a part of the story many visitors never hear. To protect the art, curators moved paintings into bunkers and other shelters. Some of the largest canvases went into a massive flak tower in the Friedrichshain district. In 1945, fires broke out there, and hundreds of paintings were lost. Among them were works by Caravaggio. The empty places in this collection are part of its history too.

After the war, the surviving paintings were divided along with the city. Part of the collection stayed in the East and returned to Museum Island. The other part ended up in the West, shown for decades in the suburb of Dahlem. For more than forty years, one collection lived as two. When Germany reunified, the question became where to bring them together. This building is the answer. Standing here, you are looking at a family that was separated and reunited.

Now, the paintings. Look for the work of Johannes Vermeer, the Dutch master of quiet interiors. The gallery holds his Woman with a Pearl Necklace. A young woman stands by a window, tying a ribbon and looking at herself in a small mirror. The room is almost empty, yet it feels full of light. Stand still for a moment. The longer you look, the more the yellow of her jacket seems to glow.

Nearby, the Dutch rooms hold a surprise. For generations, a painting called The Man with the Golden Helmet was one of the most loved Rembrandts in the world. Then, in the 1980s, experts studied it closely and concluded that Rembrandt himself probably did not paint it. Today it is credited to his circle. The helmet still shines with thick, sculpted paint. The painting did not change. Only the name on the label did.

If you have children with you, or a playful mood, find Netherlandish Proverbs by Pieter Bruegel the Elder. At first it looks like a crowded village scene. In fact, it shows more than a hundred old sayings acted out literally. A man bangs his head against a wall. Another fills in a well after the calf has drowned. It is a painted puzzle, and people stand in front of it for a long time, pointing and laughing.

The Italian rooms bring a different temperature. Caravaggio's Victorious Cupid shows a grinning, half-dressed boy, sprawled over instruments, books and armour. It was meant to show that love conquers everything. The painting still feels bold and a little cheeky. Close by, the German rooms hold portraits by Albrecht Dürer and Hans Holbein the Younger. Holbein's portrait of the merchant Georg Gisze is crowded with objects — scales, letters, a glass vase — each painted with patient precision.

Step outside, and you are standing in the Kulturforum, a cultural quarter planned in West Berlin during the Cold War. Just across the open plaza rises the golden, tent-like Philharmonie, home of the Berlin Philharmonic orchestra. A short walk away stands the glass and steel Neue Nationalgalerie, the gallery of modern art designed by Ludwig Mies van der Rohe. Potsdamer Platz, with its towers and traffic, lies only a few minutes beyond. Old masters, modern architecture and a busy city all sit side by side here.

As you leave, look back at the building's calm, low front. It does not try to compete with its louder neighbours. Inside, the light is still falling from the ceiling onto faces painted centuries ago. Merchants, saints, servants and children are still looking out at strangers. Somewhere, a visitor is standing in front of a canvas, quietly leaning closer. Take that stillness with you into the city... and notice how differently the light falls out here.