A snapshot of the city's fascinating voodoo culture.

A memorial for the mustachioed record-setting runner.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Swedish skyscraper with a 90° twist.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Hans Christian Andersen for the postmodern world.

This sublime architectural marvel is a rare example of an expressionist church.

One of Jeff Koons’s largest sculptures and his first commemorative work.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

France's national museum of scientific and industrial instruments.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest operating pharmacy in the world features 800-year-old recipes.

Architectural monsters are devouring this palace's every door and window.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A historic neighborhood church is reborn as a psychedelic arts collective.