A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

A bronze tribute to the wildly popular video game from the '90s.

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

"May prick nor purse ne'er fail you."

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

A remarkable feat of Victorian engineering across the Firth of Forth.

Soviet intelligence had a keen interest in the Cold War linguistic school at this old Scottish airfield.

A well-traveled statuette of a much-beloved village icon.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

Small museum dedicated to the founder of electromagnetic theory.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

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

A 200-year-old collection of medical paraphernalia in a historic house.

The place to be if you love vintage Swedish cars.

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

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

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

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

The ruins of Scottish sea salt production.