This man-made waterfall was designed to help improve access for spawning salmon.

This rare surviving broch is one of Scotland's most impressive Bronze Age structures.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

This modern labyrinth lies in the shadow of a ruined medieval castle.

A bay of elaborate, historic toilets are held in high esteem at this Scottish dock.

A monument to the 70s rock icon stands on the road into this small Scottish town.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

Largest lake in Great Britain measured by surface area.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

Inside this art museum resides one of Glasgow's most famous musical instruments.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

A scattered trail of street art adds a pop of color to the city's stark structures.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

One of two Irish-style round towers in Scotland, this structure has mysterious origins.

The ruins of Scottish sea salt production.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This abandoned hospital village was once viewed as an innovative way to deal with mental illness.

Aside from denoting a public square or market, this medieval structure was also a sign of a town's prosperity.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

The building where Mary, Queen of Scots was said to have bathed in white wine.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.