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

A late 18th-century jail.

This crumbling folly looks like an enchanted left over from Middle Earth.

The patches of trees pay tribute to Queen Elizabeth II.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

At the height of alum production at this factory, human urine was a valued commodity.

The oldest church in Inverness witnessed the brutal executions of many Scottish soldiers.

After 800 years, Europe's oldest elm tree has met its end.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Spend the night in this formerly abandoned traditional Scottish village.

A magnificent, iconic stone tower in the Scottish Highlands.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

This beach runway is off limits during high tide.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

Exquisite carvings of leaves, Green Men, and the occasional dragon adorn a medieval chapter house.

This hydraulic power system in London was, at one time, seen as a rival to electricity and the last of its kind to shut down.

Eighty million natural history specimens call this gargantuan museum home.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

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

The Tudor-style cottage in the middle of the square is not quite what it seems.

This luxury shopping lane has been protected by its own tiny police force for over a century.

London's smallest police station is barely the size of a phone booth.