An abandoned saucer-shaped monument in the Bulgarian mountains.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

A dangling church built over a Colombian gorge.

An explosion of natural color known as "the river that ran away from paradise."

A spectacular cave and a beguiling lake.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Paris' linguistic guide to the international language of, yes, love.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

An unusual vending machine designed to support mourners during funeral ceremonies at Zurich's largest cemetery.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A floating cat sanctuary on an Amsterdam canal.

A Prada store in the West Texas desert that is never open for business.