Abbey built on the ruins of Roman catacombs.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

This magnificent abandoned hotel has long been haunted by its Nazi past.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A historic observatory precariously perched at the "Top of Europe."

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

Caves famous for the dragon-slaying saint who lived there.

This statue of a Hindu cosmic dancer at CERN is a metaphor for modern physics.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

Large Hadron Collider and the Birthplace of World Wide Web.

The collection of signage remembers the midcentury pushback against the new neon light.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

A renegade art installation in a small Vancouver park is now officially sanctioned by the City Parks Department.

A high point in Vancouver kitsch.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

Traditional 15th century Chinese garden in the middle of Vancouver.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

The romantic botanic tunnel feels like a well-kept secret.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.