A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The final resting place of a German diplomat's beloved companion.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

A fantastic Christmas tradition where defecation meets the manger.

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.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This imposing modern citadel started out as a home renovation project.

The Gaudí-inspired building that was the start of Terrassenc modernism.

This chest hospital with a dark, haunted past serves as a fitting set for horror films and a paradise for ghost hunters.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Mine shafts and hard pastries await visitors at this massive mountain of salt.

A cluttered and astounding collection of antiquities and curiosities.

London's smallest police station is barely the size of a phone booth.

Eighty million natural history specimens call this gargantuan museum home.