Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

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

The final resting place of the poets Shelley and Keats.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

Over a thousand musical instruments are on display, from bagpipes and harpsichords to drums and the sinuous serpent.

Legend says this public grazing area hasn't been plowed for thousands of years.

A hidden plaque is the only reminder of the lost palace where two storied English kings were born.

A plaque is all that remains of a lost Oxford transport hub.

This nondescript building was the birthplace of Morris cars.

A little piece of Oxford's overlooked industrial heritage.

The remnants of this unusual bridge await an uncertain fate.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

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

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This 12th-century house is one of the oldest continuously inhabited houses in Britain.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A naturally mummified 2,000-year-old man.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.