Kröller-Müller Museum

Listen first to the gravel. It crunches under your shoes, and around it there is almost nothing else. Wind moves through pine and birch. A bicycle bell rings somewhere behind the trees. The air smells of resin, sand and damp heather. You are deep inside the Hoge Veluwe National Park, a wide stretch of forest, dunes and heath in the middle of the Netherlands. In this quiet place, far from any city, stands one of the great art collections of Europe.

The Kröller-Müller Museum carries the names of a married couple. Anton Kröller ran a large shipping and trading business in the early twentieth century. His wife, Helene Kröller-Müller, became one of the most determined art collectors of her time. Her husband's company gave them the money. Her vision gave them the collection. Together they also bought this land, which later became the national park around you. The forest and the art were part of one plan.

Helene did not start as an expert. She took art appreciation classes with a teacher called H. P. Bremmer, an influential Dutch critic and advisor. Bremmer taught her to look slowly and to value the feeling inside a painting. He guided her purchases for many years. From the start, her goal was larger than private pleasure. She wanted to build a museum, a kind of monument where ordinary people could stand in front of modern art and feel what she felt.

And here is the first surprise for many visitors. This quiet woodland museum holds the second-largest collection of Vincent van Gogh's work in the world. Only the Van Gogh Museum in Amsterdam holds more. Helene began buying his work at a time when many people still dismissed it. She collected dozens of paintings and many more drawings. She saw in Van Gogh a spiritual seriousness, a painter who searched for meaning in peasants, fields and flowers.

Inside, you can follow almost his whole short career. There are dark early works from the Dutch countryside, heavy with brown and earth tones. Then the colour opens up. Look for the Café Terrace at Night, painted in Arles in the south of France. A yellow awning glows under a deep blue sky full of stars. Look too for Country Road in Provence by Night, where a tall cypress rises like a dark flame between a crescent moon and a star.

The second surprise is about the building itself. The museum you enter today was not Helene's first dream. She once planned a far grander palace for her collection. Then economic troubles hit the family business in the years around the Great Depression, and the grand plan stalled. In the 1930s, she gave her collection to the Dutch state. The state accepted on one condition — a museum would be built for it here.

The Belgian architect Henry van de Velde designed that museum. He was a leading figure of the Art Nouveau movement, a style of flowing lines and craft, but here he worked in a calmer, modern way. The building opened in 1938. Notice how low and horizontal it feels. The rooms are simple and full of daylight. Nothing tries to compete with the paintings. Helene lived to see it open, and she died the following year.

Van Gogh is only part of the story. Helene collected widely across modern art. You will find the Dutch painter Piet Mondrian, both his early landscapes and his later grids of black lines and primary colour. You will find Georges Seurat, who built pictures from countless small dots of colour, a method called pointillism. There is work by Picasso, by Fernand Léger, and by many others. The collection shows how painting changed, step by step, in a few restless decades.

Later, the museum grew. A newer wing was added in the 1970s, designed by the Dutch architect Wim Quist. Its long glass walls look straight out into the trees. Walk through it slowly. In some rooms, the forest seems to become part of the display. A green trunk stands beside a white wall. A patch of sky sits next to a sculpture. The line between inside and outside starts to fade.

That feeling continues in the sculpture garden, which opened in the early 1960s. It is one of the largest sculpture gardens in Europe. Paths lead you through lawns, woodland and clearings. Around each bend, another work appears. You might meet a giant garden trowel by Claes Oldenburg, stuck into the grass as if a gardener had just stepped away. You might see a tall, light tower by Kenneth Snelson, made of steel tubes held in the air by cables.

Do not miss the Jardin d'émail by the French artist Jean Dubuffet. It is a large white platform with bold black lines, and you can climb onto it and walk around inside the artwork. Children often love it. Look also for the pavilion by Gerrit Rietveld, a Dutch designer known for clean, open forms. Its simple walls frame both sculpture and sky. Here, art is not behind glass. You can feel the weather on it.

The journey here is part of the experience. The museum sits inside the national park, so visitors enter the park first. Inside, free white bicycles wait for anyone who wants to ride. Many people cycle between the entrances, the museum and other sights. Somewhere in the forest stands the old hunting lodge of the Kröller-Müller family, called Jachthuis Sint Hubertus, by the Dutch architect Hendrik Petrus Berlage. It is another trace of the couple's grand plan.

So pause for a moment before you leave. Look at the light through the windows, or the shadows across the lawn. Helene Kröller-Müller wanted people to slow down here, away from the noise of cities. That wish still shapes the place. When you walk back along the gravel, listen again. The wind in the pines. The soft tick of bicycle wheels. Then think of those starry skies inside, painted by a man the world almost ignored.