Daily jousts and dancing barrel makers in Munich's mechanical clock.

Part of the wall is preserved in the aptly named Parque de Berlín in Madrid.

An important message and optimistic splash of color in a troubled neighborhood.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

With a facade that measures just 107 centimeters, this five-story building is one of the skinniest in Europe.

A replica of the gaslit streetlamp under which three teenagers founded a football club.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

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

A bookstore dedicated to the intersection of comedy and art.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

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

The unexpectedly beloved remnants of a controversial thermal power plant.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

This postmodern apartment block was designed to be a vertical neighborhood.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

Brussels' favorite peeing boy has a sister.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

The legendary giant's severed hand sits on Antwerp's popular shopping street.