Places syncblade Wants to Go

A historic engineering feature in a spectacular setting leading to a hike through the Spanish "Colorado" up to a geological wonder on the plateau above.

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

This beautiful spit of land was once the summer playground of the king of Spain.

A young Gustave Eiffel assisted in the construction of this skinny metal observation tower.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

Dead weights honor the dead of Portugal's fishing industry.

Perhaps the most spectacular grotto along the Algarve coastline.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

Explore a remarkable 35-hectare sculpture garden located an hour outside of Lisbon.

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

Tiny Spanish beach covered in sea glass.

This humble bench is considered the most beautiful in the world.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

A historic Christian shrine nestled within a spectacular natural cave.

A spectacular walk on the flank of a gorge.

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

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

A charming Spanish village sits atop this natural limestone overpass.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

An archeological treasure trove stumbled upon by a couple of children.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

The sunken structure looks like the victim of a catastrophic flood.