A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.

A little sculpture with a large wardrobe.

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

Protecting the dead from opportunistic body snatchers.

A terrific purveyor of natural history objects and curios.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

The famous winding walk at Chartres is surrounded in mystery and myth.

Cat art as far as the eye can see.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

It houses the remains of a 17th-century version of the Titanic.

Norway's oldest cathedral still in use.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

1% of Greenland's entire population used to live in this single building, which is now slated for demolition.

The Canaima airstrip in Venezuela keeps an antique DC 3 plane in its camp.

This red lake 4,000 meters above sea level is home to rare flamingos.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Museum dedicated to the sacred leaf of the Andes.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Huge stone depressions which may have acted as an Incan agricultural experiment.