Trimmed trees grow alongside the graves like topiary tombstones.

Inside this small chapel tucked away in the forest is one of the most well-preserved Danse Macabre frescos.

A unique two-level bridge designed to honor a king.

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

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

Colorful concentric circles honor a small Croatian town's supposed spot at the nucleus of it all.

This heart-shaped island looks substantially less lovely after a recent bulldozing project.

Island wonderland for communist autocrats.

A forgotten monument to Yugoslavian freedom.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

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

Longest fortress system anywhere in Europe.

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

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

The now-overgrown beach resort was once frequented by Yugoslav military elite.

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

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

Gargoyle head that brings good luck.

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

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

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

Yugoslavia's biggest underground airport lies in ruins.

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

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.