This small collection of rare books was uniquely locked up for safe keeping.

The remains of the great moral philosopher reside in a university in London.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Public access to clean drinking water was an instant hit among the masses.

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

A naturally mummified 2,000-year-old man.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

An incarceration museum on the spot of possibly the oldest prison in England.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

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

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Hear the quietest sound from across the dome.

Rebuilt remains of a temple to Roman god Mithras.

The curios of pharmacist and collector Henry Wellcome.