Remote Honduran Islands with a colorful history.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

Located in the mountains of Nicaragua, one man has spent most of life beautifying a massive cliff by hand.

Right angles in the forests of Panama.

A pocket of jungle amidst urban expansion in Panama.

A huge, bustling local market in Panama City.

Longest fortress system anywhere in Europe.

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

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

Gargoyle head that brings good luck.

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

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

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.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

A musical instrument played by the sea.

An ethereal glowing blue ocean cave in Croatia.

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

On the outskirts of the small village, an abandoned grassy field glitters thanks to the white stones of an ancient structure.

A massive cave once a secret military base is now home to thousands of bats.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

These cascading falls resonate throughout the Bulgarian forest.

Rock carving created 1,300 years ago 75 feet off the ground.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.