This unique structure allowed boats to bypass underwater mine barriers in the channel to enter the harbor.

This 135-year-old weather station studied the effects of the climate on human health.

A peculiar museum that includes many drunken tales, a drunk driving simulator, and much more.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

This beautiful Croatian fortress is haunted by legends of forbidden love.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

Dive for drinks at Croatia's first and only underwater winery.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

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

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

Longest fortress system anywhere in Europe.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

The remains of a sunken military ship wreck visible through clear water.

Just a few miles from Novalja, a strange geological oddity has left scientists baffled.

Legend has it fairies gathered at the site of this medieval castle.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An ethereal glowing blue ocean cave in Croatia.

This picturesque medieval monastery guards a small trove of historic treasures.