Barça football fans might see the insignia hidden in a church window as a divine sign.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A beautiful but toxic fountain of mercury.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

A unique hotel for the artistic soul.

This one has sailed five times as far as Sir Francis Drake's famous ship.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A medieval Italian village is fighting depopulation with this vibrant annual street art festival.

The remains of a remote village that once housed over 1,200 dam workers and their families.

A beautiful medieval bridge allegedly constructed by the Devil.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

Hidden in plain sight, this creepy sculpture watches from above.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

Home to the most complete dodo remains known - one head, and one foot.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

The anatomical-pathological collection of a man who changed surgery.