Legend says this rock was once a chopping block for public executions.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

Largest lake in Great Britain measured by surface area.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

This enchanting hill is home to fairy lore and a sinister local mystery.

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

The bronze uniforms commemorate the vital role of women during World War II.

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

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

The commemorative stone column conceals a secret laboratory.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

A quiet memorial to those who died saving others in the heart of the City of London.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

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

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

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.