The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The modern birthplace of Irish freedom.

Remnants from a time before electricity.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Where the Border Reivers of the Johnstone clan used to hide their stolen cattle.

A memorial for public executions that dates back to the 14th century.

This remote castle was built to be a wealthy businessman's palace of vice but is now simply a historic vacation cottage.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

The world's largest reflecting pool is just two centimeters deep.

Lady Liberty's original designer installed a little clone in this French fountain.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

Dedicated to the Father of the British Fire Service.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

This sculpture of disembodied body parts forms a poignant memory of the horrors of World War II.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This small museum in a 17th-century building honors three iconic Scottish writers.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

This 16th-century house tells the city's history through old artifacts and quirky tales.