An enormous, inside-out glass globe built in 1935.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A beautiful but toxic fountain of mercury.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A colorful statue honoring the local salmon in glass and bronze.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

California's own majestic geyser is powered by a subterranean volcano.

The fossilized remains of ancient California redwoods.

At just 51 feet and 10 inches long, it's the shortest street in England.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.