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

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.