The largest known medieval map of the world.

Rare collection of medieval books under lock and key.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

The home of an eccentric Edwardian gentleman is packed to the rafters with handcrafted items collected over a lifetime.

The only medieval bridge in Britain with its defensive tower still in tact.

Local lore says passing infants through its holes could magically cure them of measles and rickets.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

Turntable anonymously received orphans, alms, and groceries.

Week-long block party becomes a competition for the best decorated street.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Mountain where Jesus was first tempted by the Devil.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

This semi-secret storybook hedge maze is also the oldest garden in the city.

A collection of noses tucked inside an art museum reveals how times have changed.

Hans Christian Andersen for the postmodern world.

This sublime architectural marvel is a rare example of an expressionist church.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.