A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Elevated freight railway turned wildly successful urban park.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

This artificial archipelago was supposed to resemble a map of the world.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The place where World War I began.

The world's largest wooden structure.

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.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The vast, legendary catacombs hold secrets much stranger than stacked bones.