Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Old Tudor home moved on thick iron rails to a new spot.

Two women with a flair for both adventure and artful clutter created this singular round home.

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

A tribute to the successful role of the Keflavik Naval Air Station in the defense of Iceland, United States and NATO Alliance.

A rare specimen of an iconic extinct animal in downtown Sydney.

Legend says this rock spire is the finger of a witch who wanted to throw the Faroe Islands towards Iceland.

A unique sculpture cemetery dedicated to the region's defunct businesses.

Country fans may flock to Nashville's music scene, but this Appalachian town is where the genre was born.

Though they may seem like simple stones, these rocks represent a ghostly legend.

This residence straddles a border between Belgium and the Netherlands.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

A small stone memorial marks the spot where a Bristol Beaufort aircraft crashed in 1941.

Dedicated to one of the nation's worst engineering disasters.

The tale of this reverend and his parish is colorful in many a way.

The remains of "the Pearl of Scotland" can be found inside this church.

This pub boasts a curious history and may have inspired a Dickens character.

This modern work of art was a refreshing addition to one of the oldest theatres in the city.

A stone-filled garden in the heart of Edinburgh commemorates the father of modern geology.

The lasting remains of a bygone era of open-air meat markets.

This church is said to have connections to the Knights Templars.