This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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

A lover's walk between hilltop towns, decorated with graffiti love notes.

Southern Italy's spinning top village.

Climb inside an iron crystal magnified 165 billion times its normal size.

Where the lovelorn find a home for their sentimental keepsakes.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

A dead saint, a deadly poison, and a mysterious holy ooze.

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

A popular rock that acted as a waymarker for American pioneers.

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

The house where the writer spent his formative years.

The modern birthplace of Irish freedom.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A faded reminder of what was once a common sight in London during the Blitz.

A quiet memorial to those who died saving others in the heart of the City of London.

Putting the "mod" in "modular" since 2000.

The bronze uniforms commemorate the vital role of women during World War II.

This statue of the famed author, actor, and journalist is made entirely of screw-nuts.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

One of Belgrade's most beloved animals.

Along the banks of the River Rhine lies a park that seems unassuming, but beneath the surface lies a long and fascinating history.