Places akornblatt Wants to Go

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

A charming Spanish village sits atop this natural limestone overpass.

The earliest known map to show America, discovered by accident at a Paris bookshop.

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

Stunning Roman aqueduct used for 1900 years and still standing.

Mysterious Spanish catacombs of unknown origins.

A completely underwater art museum sends a stark message about humans' impact on the environment.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

Village situated on a narrow volcanic escarpment.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

This house's itty bitty size means no humans allowed.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A landscape decorated with enormous skull sculptures.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

A Spanish forest is filled with mysterious stone carvings.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Commonly acknowledged as the only public monument to the Devil himself.