The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

The unexpectedly beloved remnants of a controversial thermal power plant.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A giant piece of cutlery designed to remind us about the origins of our food.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

Eastern Bloc nostalgia, anybody?

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Tucked in an urban forest, this restaurant specializes in homemade, healing rakijas.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.