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

Gargoyle head that brings good luck.

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

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

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

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

The first mosque in the world to receive electricity.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

The place where World War I began.

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

This small chapel is built of human bones and decorated with a golden skeleton.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

These small, triangular, colorful houses are a staple of Madeira Island.

A lush oasis full of vibrant plants and striking geometric displays.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

A collection of old neon signs from all over Poland line a secluded courtyard.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

One of the largest amphitheaters in Europe is a former Nazi gathering place that still stands today.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

Where visitors can play more than 150 retro arcade games.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.