A fearsome dragon clings to a corner of Munich's city hall.

The patron saint of spinsters grasps a container of dried blood.

This airport currywurst stand is made out of retro airplane parts.

Hidden under a center for the elderly are the dungeons which were used during the Spanish Inquisition.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

Guitarist Paco de Lucía overlooks travelers as they pass through this train station dedicated to his legacy.

A neighborhood represented by an apparent geocentric and flat-earth model of the Solar System is hidden in the subway of Madrid.

This cuddly-looking statue symbolizes the bond between Spain and China.

Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

This Art Nouveau gate still stands at the former entrance of a 20th-century Spanish writer's colony.

The oldest building in Madrid.

Built to celebrate the glory of a new queen, this forgotten monument has moved around Madrid three times, reflecting 200 years of political whims and city redevelopment.

The Spanish king's private bathroom embraced the idea of a porcelain throne.

One of the best examples of the modernist movement in Madrid.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

This phone booth was recreated to honor "La cabina," considered the best horror film in the history of Spanish television.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

An automaton perched above an classic clock and watch store

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

A small museum displays some of the artifacts discovered during a subway station renovation.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

Dedicated to a young woman who broke gender barriers at the University of Madrid.