The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

An ancient Roman relief beautifully preserved on the façade of a house.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This modest monument marks the only point of intersection between longitude and latitude in the Grand Duchy of Luxembourg.

Carved into living stone, a beloved roadside chapel peacefully welcomes the faithful and curious alike.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

Below the altar in Saint-Willibrord Basilica rests the mortal remains of Luxembourg's patron saint.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

The cave of a 12th-century hermit is still visited and venerated today.

This cryptic monument honors a mysterious dead woman, despite her identity being lost centuries ago.

A Roman water tunnel still flows 2,000 years on.

A rare example of the RAF’s flying spy taxi.

This tribute to the fictional detective stands at the famous literary character's address.

Hidden beneath the streets of London is a secret subway that only carried mail.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

The longest stone bridge in England has an impressive history that dates back over 700 years.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

A historic Georgian building and warm springs.

This abandoned Brutalist tower looming over the M6 Motorway once featured a restaurant.

A stone copper was sculpted on the wall of the Carlisle Cathedral to honor a local hero.

An impressive Neolithic henge with banks nearly 10 feet high.