This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Hidden beneath the streets of London is a secret subway that only carried mail.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

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

Europe’s oldest natural human mummy.

An open-air sewer system that was covered piece-by-piece over 300 years.

Housing the groundbreaking maps and globes of Gerard Mercator.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Most prolific publishing house in the 1600s open to the public.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The oldest public library in Ireland.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.