An out-of-place grove of sequoias thrives in northern Spain.

A spectacular walk on the flank of a gorge.

A wonderful collection of fossilized dinosaurs and other creatures that roamed the landscape millions of years ago.

This enchanting green space houses a labyrinth lined with toxic plants.

Made up of 3,200 recycled glass bottles, this tree pays homage to Asturia's love of cider.

This modern sculpture looks out over the sea and amplifies sound from the inside.

Wonderland replication in progress by one persistent man.

Village situated on a narrow volcanic escarpment.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

Designed by Gustave Eiffel before his famed tower.