Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Legend has it that any woman who kissed this statue would soon be married.

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

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

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

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

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

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

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

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

The wreckage of a tragic plane crash is on display at this museum devoted to a famous Italian conspiracy.

An amazing collection of wax anatomical models and terratological models.

Home to items never before seen by the public.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

One of the oldest standing structures in Montgomery County, Maryland.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.