Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

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

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

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

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.

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

An ancient knight and a symbol of the city's freedom.

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

A forgotten monument to Yugoslavian freedom.

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

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

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

The only gulag ever to exist in socialist Yugoslavia.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

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

Longest fortress system anywhere in Europe.

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

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

Gargoyle head that brings good luck.

This huge metal monument is slowly being stripped to its concrete skeleton.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

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

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