Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

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

Underground monastery and fortress.

Skyscraper powered by wind turbines attached between its towers.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A shrine of fire worship built on top of a natural flame.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

Half of the Pulitzer Prize-winning author's ashes were buried in Armenia.

This series of Armenian caves held the oldest brain, shoe, and winery in the world.

This peaceful sanctuary is one of the oldest Buddhist temples in Colombo.

A Sri Lankan tea factory's ironic take on the Los Angeles landmark.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

Huge herds of Asian elephants can be seen walking, bathing, and just chilling at this Sri Lankan park.

An ancient stone fortress considered by many to be the eighth wonder of the world.

This fairytale medieval church in Poland originally spent centuries in Norway.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.