Hear the quietest sound from across the dome.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Rebuilt remains of a temple to Roman god Mithras.

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

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

This inn of the court provides a fascinating window into London’s legal and architectural history.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

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

An unusual round church in London with a Templar past.

Hidden beneath the streets of London is a secret subway that only carried mail.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

This Underground station has been a popular filming location for decades, even before it closed.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

The last resting place of the famous Native American princess is marked by a haunting monument.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

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

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

A Roman spa buried deep beneath the City of London.

The ritual has been performed uninterrupted for nearly 700 years.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.