These naturally balancing rocks were pictured on every Zimbabwean banknote, up to the 100 trillion-dollar note.

The attic of a four-century-old canal house hides a clandestine church.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Meet the bronze beloved pet to a family of famous peeing statues.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

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

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A wonderfully kitsch bookstore the size of a supermarket.

Only museum in the world devoted to bookbinding and book arts holds a permanent collection representing five centuries.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The design of this beautifully crafted building was inspired by Norwegian glaciers.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A fantastic Christmas tradition where defecation meets the manger.

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.

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

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

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Museum dedicated to the terror regimes of Hungary.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

An enormous and lavish Gothic church in Czechia.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.