These two large, rusting pieces of machinery are relics of Australia’s gold mining past.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

England's most famous front door has an accidental doppelganger.

A series of carved figures that scandalized British society.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The English Civil War began right here in 1642.

The small Scottish townhouse where the "Father of the National Parks" was born.

This monument is dedicated to a young boy who survived a disaster that forced Edinburgh to reevaluate its building codes.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This unusual statue overlooking the Royal Mile has an interesting backstory.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

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

A British plaque explains that a house was built using the spoils of the first international golf bet.

This effigy was crafted to annoy a neighbor after a civil dispute over a foul smell.

Believed to be the site where St. Drostan performed baptisms.

An 18th-century lighthouse built on a 16th-century castle is now a monument to the maritime beacons of Scotland.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

Named for its similarity to the tip of a violin's bow, this striking formation was created by millions of years of erosion.

The location of this historic castle was inspired by a donkey.