Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A former Confederate hospital serves as a remembrance of wounded and dead soldiers.

The world's largest collection of ships in bottles.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Amsterdam's former hotspot for public executions and dissections.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

A beautifully eclectic mix of architectural styles.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

The largest flower auction house in the world.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

A grassy pyramid named after a French battle.

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

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

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

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

Four giant movable street lights decorate this modern Rotterdam square.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The Netherlands' first car tunnel has an unusually rectangular shape.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

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

An idyllic hotel that gave its name to a supposed shadow government.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.