The unusual patterns in this rock formation result from two distinct modes of weathering.

The last surviving roundhouse in the United Kingdom also plays host to a popular annual beer and music festival.

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

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This antique shop and tea room reside inside a twice defunct church that was moved stone by stone to its current location.

If you like Art Deco you will love this bridge.

This air raid shelter from the Spanish Civil War is now a museum dedicated to the history of the city's bombardment.

This 130-year-old, steam locomotive represents the Spanish industrial and agricultural boom of the late 19th and early 20th century.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

These Stolpersteine located in Spain honor Republican soldiers who perished at the hands of Nazis after the fall of France.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

This tower was constructed to commemorate the man who helped bring true democracy to the United Kingdom.

This remarkable building has a lot to offer, even if you're not placing a bid.

Take afternoon tea in a 17th-century almshouse.

The first place where the scientific innovation known as radar was first demonstrated in Britain.

This house was home to a succession of park keepers for more than 90 years, but in all that time, it never had a toilet.

Part of this hotel resides in Switzerland, the other in France, and the border splits the honeymoon suite.

These unique markers designate the route American forces took during the Liberation of France.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

This century-old cinema is complete with musical interludes and boasts a rare projection system.

This tiny shoe shop claims to be the smallest store of its kind in Britain.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.