This hidden collection of everyday objects illustrates life within communist Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A fake medieval village in the middle of Turin.

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

An ancient artistic garden parlor full of hidden water wonders.

Walk through a fairytale in Tuscany.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

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

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

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

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The mark of the Devil's horns on a marble column in Milan.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Regency-era excess on the English Coast.

This tiny 1930s Art Deco airport is a beautiful remnant of a bygone era.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

England's most notorious suicide spot.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

One of England's most famous churches hides a pair of little known architectural treasures.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

Historic funicular railway, believed to be the shortest railroad in the world.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.