The last four extravagant street signs of London's historic banking street.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

A mysterious suspended hand greets unsuspecting visitors at the Tower of London.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

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

Solar powered Spectacle Island features all-green facilities.

Hill-like structures formed by glaciers and sandy spits of land.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Civil War Fort on an island in the Boston Harbor.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

This tower commemorates the spot where George Washington hoisted the Grand Union flag.

A home decorated by its owner with eye-catching and captivating assemblages of found objects

One of America's most historic homes also holds a startling literary legacy.

Three prestigious academic collections come together to create a world-class natural history museum.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.