A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Local legend says the remains of Father Christmas lie within the medieval grounds.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

England's most notorious suicide spot.

Giant, friendly pelicans in Central London, the most unlikely of places.

The heads of two giant mythological water horses honor Scotland's horselord past.

Eighty million natural history specimens call this gargantuan museum home.

This tangled English forest looks like something right out of a fairytale.

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

Hear the quietest sound from across the dome.

The curios of pharmacist and collector Henry Wellcome.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Banksy gives themself artistic license with this piece of London street art.

An unusual round church in London with a Templar past.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Famously misunderstood wonder of the ancient world

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

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

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

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.