View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.

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

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

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

A masterpiece of Art Deco architecture hidden in plain sight in West London.

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

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

The remains of the great moral philosopher reside in a university in London.

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

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

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

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

This 11th century tower is said to be the oldest building in Oxford.

Hidden in plain sight, this creepy sculpture watches from above.

A Latvian rescuer who saved countless lives during World War II.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.