A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

An extraordinary house museum and cabinet of curiosities in the heart of Florence.

A medieval weapon rumored to have been used by the brilliant poet himself.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Pilgrimage site for star-crossed lovers.

Crushed coral and crystals give the sand its signature coloration.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

A more chill but no less fascinating version of the famous ancient archeological site.

Planned as the world’s first zero-carbon city, it had lofty ideals—but is only 5 percent completed and aiming for 50 percent carbon-neutral.

An abandoned desert hamlet swallowed up by sand.

The eclectic home of a leading Turkish architect is a gorgeous piece of eye candy.

A marvel of Byzantine engineering under the streets of Istanbul.

A hand-built folk art installation covered with messages of God's love.

This North African stone complex is considered to be the oldest astronomical observatory on Earth.

Source for a sizable portion of Egypt's freshwater supply is more than an optical illusion.

Some believe that this ancient mural depicts technology far ahead of its time, but in reality it's nothing quite out of place.

A network of ancient Egyptian tombs built into the cliff face along the Nile.