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

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

A medieval palace holding a millennium of the Crown of Aragon's records

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

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

A fantastic Christmas tradition where defecation meets the manger.

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

This fountain was designed to honor the man who helped bring water to Barcelona.

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.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

The mirrored section takes the shape of Hebrew characters when viewed from above.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

The smallest bar in Amsterdam has stayed in the family since 1798.

A pillar is all that remains of a church built to honor a peculiar miracle.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The former headquarters of history's oldest megacorporation.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Amsterdam's former hotspot for public executions and dissections.

A statue commemorating 'the greatest inhabitant of Amsterdam of all time.'