Look up from the busy streets to discover how time is kept!

These stained-glass windows are all that remains of a building that was the target of one of the biggest explosions in London after World War II.

Metal horses galloping through a London fountain provide a link to the city's past.

The British monarchy's stamp collection is one of the most impressive in all of Europe revealing generations of royal nerdery.

An unassuming London park is actually a pilgrimage site for modern clowns.

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

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

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

A unique tribute to the millions of animals who served and died for the British military.

A measuring mishap led to these artificial stone ladies losing their stomachs.

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

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

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

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

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

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Pop culture has helped to keep this iconic British building from being destroyed.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A Roman spa buried deep beneath the City of London.