The castle still holds traces of the abandoned Roman fort it was built atop.

A museum dedicated to the tragedy of Bloody Sunday.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

An ancient neolithic tomb that only sees the sun twice a year.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

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

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

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

Memorial to the Titanic engineers that died working to hold back the sea.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

The ornate structure is part of a building boasting more marble than the Vatican.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

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

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

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

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

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.