Highly spherical boulders on the shores of New Zealand.

The premier place to experience the Victorian imagining of the steam-powered future.

A perfect turquoise lake colored with glacier dust.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A historic Georgian building and warm springs.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

An open air haven for tropical monkeys in the damp moors of the English country.

A long-overdue monument to the forgotten British men drafted into the coal mines during World War II.

In an arboretum with hundreds of memorials to the fallen, this one might be the most poignant.

Parts of this former military training ground may have inspired parts of J.R.R. Tolkien's famous fantasy series.

Austrian and Germans who died on British soil during World War I and II are buried here.

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

The only medieval bridge in Britain with its defensive tower still in tact.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Europe's largest prehistoric mound – burial site of a legendary king?

The plaques around this 19th-century structure recall some rather strange tales.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

Famously misunderstood wonder of the ancient world

The first archaeological site discovered by aerial photography.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.