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

A brutalist gem towering over the heart of Milan.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

The secret medieval communication system will whisk your words above the noise of the crowd.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

This 18th-century pond is one of the main attractions in the Jardín del Príncipe in Aranjuez.

A collection of riverboats of the Spanish royal family in a quaint museum.

A massive birdcage in this royal, 18th-century garden has sparked a local controversy.

This waterfall, also known as the “the castanets” is said to mimic the sounds of the waves in Portugal.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

This 40-meter waterfall of light graces one of the most iconic stations in the Madrid metro network.

This grand gate once marked the entrance to a military barracks.

Remains of the lost church hide beneath this Spanish Parliament building.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

A controversial art piece that harkens back to local folklore.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

The oldest building in Madrid.

Five million people are laid to rest here, more than the population of Madrid itself.

Strange masks and obscure costumes are housed in this old Madrid corrala.

This enigmatic Iberian sculpture of uncertain origin may have once guarded a burial site.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

A vault of safe-deposit boxes in an old bank has been repurposed as a time capsule of Hispanic culture.