Cartagena, Spain
Submarine Peral
The world's first electric battery-powered submarine.
Places edited
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Cartagena, Spain
The world's first electric battery-powered submarine.
Barcelona, Spain
A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.
Vienna, Austria
Baroque celebration of the end of the Great Plague of Vienna.
Pristina, Kosovo
A futuristic, brutalist masterpiece that is also strangely prison-like.
Seville, Spain
The world's largest wooden structure.
O Grove, Spain
A 12th century church completely covered in shells.
Guía, Spain
Hundreds of caves once used to store grains and animal feed.
Yeres, Spain
Devastated landscape used for hundreds of years by the Romans as their primary mining site.
Copenhagen, Denmark
Danish tourist destination well known for open stalls where vendors sell marijuana on the street.
Madrid, Spain
The earliest known map to show America, discovered by accident at a Paris bookshop.
Brussels, Belgium
Climb inside an iron crystal magnified 165 billion times its normal size.
Qrendi, Malta
This Stone Age solar temple aligns with the sun on each equinox and solstice.
Mejorada del Campo, Spain
A huge cathedral single-handedly constructed by one eccentric monk.
Vienna, Austria
Op-art architecture designed for happiness.
Vienna, Austria
A spherical "micro-nation" in the heart of Vienna.
Madrid, Spain
Commonly acknowledged as the only public monument to the Devil himself.
Salamanca, Spain
The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.
Copenhagen, Denmark
The old observatory in Copenhagen has a spiral corridor used as a racetrack.
Cádiz, Spain
The world's most elegant power lines.
Madrid, Spain
An ancient Egyptian temple in the middle of Madrid, Spain.