A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

A small village in two different countries.

One of the shortest streets in York has an especially odd name.

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

This enchanting hill is home to fairy lore and a sinister local mystery.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

A six-ton wedding present for the King of the Scots.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

The view that inspired the scenes of Dracula's first landing in England.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.