Venice's island of the dead.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

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

On a small Slovenian island, diners can mix and match a classic cake into dozens of sweet and savory flavor combinations.

Maze-like streets filled with vibrant murals draw visitors to this Istrian town.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This narrow fjord-like bay is the largest ria in the Mediterranean Sea.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This beautiful 14th-century castle perched on a promontory overlooks the Bay of Trieste.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

Be(w)ar(e) the moat around this historic Czech castle.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

This massive subterranean fissure is known as the "underground Grand Canyon."

Island wonderland for communist autocrats.

An Italian hillside ghost town.