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

Neon artworks light up this dark Edinburgh tunnel.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

A sweet symbol marks the place where torturous executions were once carried out.

360° views of the city plus five floors of optical illusions and hands-on science.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

The television series' iconic giant foot was borrowed from this classical painting.

A little slice of Japan and its aesthetics in London's Holland Park.

Rebuilt remains of a temple to Roman god Mithras.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

It is against the law to obstruct the view from the top of this English burial mound.

Regency-era excess on the English Coast.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

A much-loved local landmark pays tribute to the shipbuilding past of this area.

A giant scrawl on the skyline of south London.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

Taxidermied animals galore, by appointment only.

A historic arboretum and non-conformist, non-denominational park cemetery.

One of the smallest bookstores on the planet.