Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

At Ghana's largest wildlife refuge you feel like you're right in the animals' backyard.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

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

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

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 elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The longest trolleybus route in the world, from Simferopol and Yalta.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Old Danish castle immortalized in Shakespeare's Hamlet.

Copenhagen's celebrated theme park and gardens.

The rock carving that became an internet meme.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

This chimerical bridge/tunnel appears to dead end right into the sea.

A contemporary fresco movement illustrates the region's rich history.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

This 1967 experiment in modular architecture was designed to be a new model for urban living.