The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

Historic medieval fortified city in southwest France.

This ancient theater was once the home of fierce gladiatorial battles.

Famous landmarks and structures from across Italy fill this miniature park.

Romans built the world's tallest artificial waterfall in 271 BC.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

During World War II, this rice mill became a Nazi concentration camp.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

Recently restored menagerie of Victorian-era beasts.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Over a decade ago, painted penguins mysteriously appeared around Berwick-upon-Tweed for no apparent reason.

Banksy's image of a naked man dangling from the window of a sex health clinic.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.