The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A Spanish town built into the cliffs.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Fortified homes of highland warriors that are still in use today.

Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

A fountain filled with golden statues, celebrating the the ancient kingdom of Colchis.

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

With over 10,000 lights, this engineering marvel lights up the city after dark.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

You'll find just about anything in this funky Tbilisi flea market.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

Once a 19th-century refuge for immigrants, this pub has hosted performances by Amy Winehouse and the Arctic Monkeys.

The Tudor-style cottage in the middle of the square is not quite what it seems.

This 1920s Dutch barge is now a floating bookstore.

Catacombs turned marketplace.

This historic electric train has operated with regularity since the early 1900s.

A rare opportunity to see artists working on their craft in a unique setting.

The remnants of a facade from a 19th-century market stall emporium.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.