A charming beach town in Turkey captures all the colors of the rainbow.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

This no man's land slicing through the island is strewn with abandoned relics of another time.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

This church is named for one of the most dramatic tales in the early Christian church.

Dynastic Home of the De Piro Family.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

Liechtenstein's royal family calls this medieval alpine castle home.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This elegant arc of a waterfall marks a religious turning point.

Walk in the footsteps of the gods and straddle two tectonic plates.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

This overlooked courtyard and museum celebrate Benjamin Franklin's life and achievements.