Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

This historic pub is a hidden gem for fans of Lewis Carroll.

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

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

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

This battery powered bell has been ringing since 1840 and is one of the worlds longest running science experiments.

Home to the most complete dodo remains known - one head, and one foot.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

One of Europe's oldest libraries.

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

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

A less famous, short-lived meeting spot of the Inklings.

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.

Used as an example in one of the first dictionary entries for "museum" in 1706.

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

This museum focuses on the history and culture of the German settlers in Pennsylvania.

A field of nothing but boulders which resembles a giant's gravel driveway.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

World War II bunker still standing on the New Jersey beach.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.