One could not be blamed for literally walking all over this supposed landmark.

A historic holy well hidden near a charming English park.

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

Rebuilt remains of a temple to Roman god Mithras.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

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

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Two plaques commemorate the site of Shakespeare's first theatre.

The last four extravagant street signs of London's historic banking street.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

The fences outside some of South London's estates are made from recycled World War II stretchers.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This may be the last of London's wooden pavements, which were once a common sight in the city.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

The medieval woodcut-style artwork chronicles life in medieval London.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

This ancient Egyptian obelisk still bears the wounds of World War I.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.