A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A single oak tree rises out of the waters of Loch Lomond.

Largest lake in Great Britain measured by surface area.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

London's old-school healing garden.

A 4,000-year-old burial site hides behind a roadside Burger King.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The final resting place to 300 Victorian-era pets hides inside the city park.

The anatomical-pathological collection of a man who changed surgery.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

This 1920s Dutch barge is now a floating bookstore.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.