A hands-off space for graffiti artists to hone and display their skills.

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

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

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

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

2300-year-old Roman road connecting the empire.

Breathtaking and huge 430 year old maps of Italy.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

The Pope’s secret escape route.

The fairy tale castle of the "fairy-tale king."

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Go surfing on this urban wave, "hacked" by local surfers.

Da Vinci's equestrian statue, 500 years in the making.

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

This bridge was constructed from the rubble of the infamous Bastille.

The celebrated eyesore created by starry-eyed sweethearts.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Steadily reminding Czechia of its past.

Macabre astrological automaton clock dating to the late 1400s.

A mocking tribute to the past and modern leadership of Prague.

Looming communist pillar with a Czech twist.

Seat of the Duke and Duchess of Devonshire for centuries.