An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

Inside this old mill is a collection of images that will always remain frozen in time.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Come for the springs; stay for the mud bath.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

The natural hot spring that was integral to the creation of Canada's first national park.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

This elaborate High Victorian Gothic structure is one of the world's few 16-sided buildings.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

A Romanesque sanctuary of calm amid the bustle of downtown Los Angeles.

A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

The Catskills retreat of naturalist writer John Burroughs.

This miniature village stays behind in the Breuer Building, even as the museums around it come and go.

Sports history, made in the Arroyo Seco.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This network of roads is one of the most unique Etruscan creations ever discovered.

Only known mainland rookery of the threatened Stellar sea lion.

A brutalist gem towering over the heart of Milan.

This house turned museum chronicles the life and work of Richard Neutra.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.