Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

An early 19th-century English style garden hidden in the Rotterdam cityscape.

A modern reimagining of a medieval city gate.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

Science meets wall art to highlight the beauty of famous mathematical equations.

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

This steel frame is a skeletal mirage of a lost 16th-century stone building.

The largest 19th century panorama in the world still in-situ.

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

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

A giant floating rubber duck-bunny painted with a different design every year.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

Yup, that's a 330-foot yacht passing over the highway.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

A statue of the second-tallest Dutchman in history.

A UFO-shaped event building originally intended to be a science museum showcasing the future.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

Where royalty waits in the height of luxury.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

The last of Amsterdam's original sea level markers remaining in place.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

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

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.