The celebrated eyesore created by starry-eyed sweethearts.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

The colonial city's social history is reflected in its fanciful door knockers.

The most loyal of little dogs, or a Victorian era publicity stunt?

The final resting place of soldiers' loyal canine companions.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Inside this art museum resides one of Glasgow's most famous musical instruments.

Vibrant paintings stretch across 600 feet of derelict railway.

Glasgow's oldest pub has a proud literary tradition and possibly a ghost or two.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

An unassuming secret door once led to a legendary watering hole.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.