Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

One of Edinburgh's most popular works of street art is located well off the beaten path.

This repurposed church offers a more literal way to get closer to the heavens.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Amsterdam's Red Light District leaves little to the imagination.

Sail in for a ’dam good slice.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

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

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

Giant, friendly pelicans in Central London, the most unlikely of places.