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

Murals of the wild parties once held on the frozen River Thames.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

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

The broken skateboards that became a poignant memorial to a murdered skater.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A memorial to a dog that inspired rioting in the streets of London.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

Some of the earliest leaders of the Moravian congregation are buried here.

London's old-school healing garden.

This astronomical clock is the second oldest in England.

This natural wonder is disappearing at an alarming rate.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A 142-foot-tall Q-tip on Bristol's skyline.

A typographic tribute to the many comedic greats who make Great Britain laugh.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.