Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

A faded reminder of what was once a common sight in London during the Blitz.

A monolithic monument in Greater London.

Historic church where a number of Shakespeare's actors are buried.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

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

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

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

A collection of machines designed to break things for science.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

A plaque marks the underground site of one of London's "lost rivers."

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

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

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

The canine-themed book collection claims to be Europe's largest dog library.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

The plunge pool is a surviving relic of a rowdy royal residence.

This historic building displays the remains of a victim of the devastating 14th-century plague.

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

The London statue that imitates passersby.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.