Learn about Iceland's hidden folk at this school dedicated to the study of elves.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This is the oldest Roman-made bridge in the city still existing in its original state.

This ancient market is often referred to as the oldest shopping mall in the world.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

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

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

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

This building features dozens of faces along its facade, although one is a bit chilling.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

An amazing collection of wax anatomical models and terratological models.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

An extraordinary collection of 18th century anatomical waxworks.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.