Hidden in Portland’s West Hills, a 170-year-old marker literally stakes out the Pacific Northwest.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.