An icon of International Style architecture on the outskirts of Rotterdam.

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

A haunting theme park is slowly being swallowed by the jungle.

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

Perhaps the most spectacular grotto along the Algarve coastline.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

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.