Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A beautiful maze marks where three countries meet.

Sail in for a ’dam good slice.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A uniquely preserved neo-Gothic church that is now home to a collection of art and woodcarvings.

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

This may be the world's only drive-through windmill.

A beautifully rebuilt windmill from the 17th century, situated along the Amstel River.

A fiery-red region of scooped out land still largely untouched by civilization, tourists or otherwise.

Medieval ruins nestled within a breathtaking swath of Spanish nature.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

An uninhabited village that preserves and documents rural architecture and an endangered way of life.

Marvel at this massive waterspout fueled by the incoming tide.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

The highest peak in mainland Spain is said to be the final resting place of a Muslim king.

Remote ruins of a 2,400-year-old Iberian settlement.

Experience this Iron Age village the way that its original residents would have.

One of Europe's oldest yew trees has lived more than 2,000 years.

The surviving remnants of a destroyed medieval church now stand in a public park.

The ruins of an ancient Celtiberian town with incredible rock-cut buildings and a Roman aqueduct.

These striking ruins of a castle resemble a ship's stern.