Ella Fitzgerald, opera singer Enrico Caruso, and dancer Isadora Duncan all performed in this lavish, supposedly haunted theater.

This necropolis is home to eclectic funerary art and is the final resting place for much of the city's nobility.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

This intriguing museum chronicles the history and impact of immigration in Brazil.

Striking ruins of a mansion that stood center stage in one of modern Brazil's most puzzling crimes.

This park feels like a lush little jungle full of wildlife nestled within São Paulo.

This singular art museum in São Paulo is unique inside and out.

A huge boat-shaped hotel with a blood red pool and other oddities.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

The bookstore with bookshelves built into unlikely places.

This massive blockhead sculpture hides an entire library.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

The location of the last witch trials of Italy, known as "The Salem of Europe."

Claude Monet immortalized this medieval bridge in two of his paintings.

A wood-and-steel sculpture garden featuring an artful interplay of nature and machinery.

There once was a man named Lear / Who found limericks so dear / His final resting space / Is an unusual place / Most people don’t know he’s here.

An ancient rogue artist community hidden next to one of the world's most glitzy and glamorous cities.