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

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

This concept building is the UK's first attempt at making a permanent structure of nothing but trash.

London's smallest police station is barely the size of a phone booth.

Catacombs turned marketplace.

A museum wholly devoted to juvenescence.

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

The Tudor-style cottage in the middle of the square is not quite what it seems.

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

Its collection includes a broad array of social, geographic, graphic design, and political history.

The pockmarks across the building's facade are remnants of the Blitz.

England's most famous front door has an accidental doppelganger.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

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

The bones of two medieval royal lions were discovered at the historic fortress.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

Hidden in the courtyard of the Victoria and Albert Museum is a little-known tribute to two celebrity pooches.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

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

The commemorative stone column conceals a secret laboratory.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.