These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This monumental work of art symbolizes the coming together of a previously divided city.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

Largely overlooked, this little fountain on Museum Island is a whimsical tribute to a Prussian king nicknamed the “Fatty Flounder.”

One of downtown Berlin's last reminders of its Communist past.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

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

The curios of pharmacist and collector Henry Wellcome.

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

Hear the quietest sound from across the dome.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

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

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

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

Site of the first hot air balloon flight conducted by the first English balloonist.

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

A cornucopia of gargoyles adorns the oldest portion of Oxford’s Magdalen College.

One of Oxford's greatest treasures likely belonged to England's legendary King Alfred the Great.

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

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."