Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

A display of everyday life in the area that was unveiled during the 2012 Summer Olympics.

The world's longest continuously running show has played at this small West End theater since 1974.

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

This pub has roots dating back to 1430 and serves as the setting for multiple Charles Dickens stories.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

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

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

A tongue-in-cheek arcade where the games are based on everyday life.

This temple was constructed entirely by Roman soldiers.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Believed to be the smallest castle in Europe.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

There were once more than five stones in this ancient monument.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

This underpass became an unlikely piece of cinematic history after its appearance in 'A Clockwork Orange.'