A long-buried ancient ruin unearthed right in the middle of the city.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The steel cable lets adventurers zoom between two mountain towns at speeds of up to 75 miles per hour.

Crushed coral and crystals give the sand its signature coloration.

Thousands of well-dressed mummies below a monastery.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

Art and armour fill every inch of this rich kid's Italian villa.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

Secret refuge and museum of the Duke of Florence.

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

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

A surreal statue honoring Prague's favorite literary son.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

A spiral staircase twists to the top of this unusual Czech lookout tower.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.