Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

A grassy pyramid named after a French battle.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

Visitors can still take a train to this former train station turned museum.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

Atop this former dutch railway office sits an interstellar work of art.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

A gigantic teapot sitting on top of a parking garage in the center of Utrecht.

The cutest way to stay safe in traffic.

The world's first fish doorbell monitors this water passageway.

The imposing structure was originally established in 1580 as a military stronghold.

This recreated Roman outpost stands above its buried predecessor.

The world's longest wildlife overpass provides Hilversum's critters with a safe alternative to trying their luck on the roadway.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.