Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

A forest park outside Tallinn full of architectural and artistic curiosities.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

These strikingly colorful paintings were created by a mysterious Mesoamerican civilization.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

An outstanding piece of retro Sci-Fi architecture built into a sacred mountain.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

This abandoned Brutalist treehouse is a hidden architectural relic.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

This fairytale-like structure is the last turf church ever constructed in Iceland.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

The world's first hotel built in an abandoned water-filled quarry.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

The Andean town where every single building is decorated with a brightly colored frieze.