The remains of the debtor’s prison that shaped Charles Dickens’ life and writing.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

The fences outside some of South London's estates are made from recycled World War II stretchers.

The oldest surviving “eel, pie, and mash” shop in London is renowned for its infamous jellied eels.

This group of sculptures includes the first statue of a female politician in London.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

Unusual building appears to be haphazardly built from randomly piled bricks.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Small church on top of a huge rock column.

Fast food feels like fine dining at this award-winning modern Georgian building.

Ancient rock-hewn town that witnessed key events of Georgian history.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

This extensive collection of vintage Soviet cars is the only one of its kind in the Caucasus.

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

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

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

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

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

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.