This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Just one of the Italian corridors vying for the title of the country's narrowest.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

Church holding the preserved body of a levitating saint.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

Famous landmarks and structures from across Italy fill this miniature park.

For many years, the river that Julius Caesar led his army across into Italy was lost until re-identified.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.

Strange rumors surround the artist who created these solemn metal guard dogs.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

The Slovenian architect designed many landmarks in the capital city, including his own dream house.

This former railway facility is the oldest in Slovenia, and now houses a museum showcasing the history of steam locomotives.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A wonderful museum dedicated to the local straw hat industry.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

A public work of art that also provides some relief from the summer heat.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.