Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

In Warrington’s Golden Square, it's always tea time.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This banal Parisian entranceway is not what it seems.

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

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Tiki luxury on Nob Hill.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Paris' linguistic guide to the international language of, yes, love.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

An open-air "garden" of mural art that changes weekly.

Barça football fans might see the insignia hidden in a church window as a divine sign.

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 stately palace has been converted into the world's largest cannabis museum.

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

A community-funded monument to kindness in the face of life's difficulties.