This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

A monk spent 14 years carving steps through tuff to make this religious site more accessible to pilgrims.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A Victorian school for poverty stricken waifs has been preserved as a museum to their donated education.

Featuring the last fully walkable parapet walkway in Europe.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

The great Danube river starts here.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

This medieval castle was painted pink as part of a now-abandoned children's theme park.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

The hands on this clock appear to be created by two workers sweeping debris into careful positions.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

Four giant movable street lights decorate this modern Rotterdam square.

A huge teapot illuminates a home for the elderly.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.