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

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

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

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

A network of concealed passageways lies within a busy London Underground station.

A hands-off space for graffiti artists to hone and display their skills.

Rebuilt remains of a temple to Roman god Mithras.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

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

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A peaceful international sculpture garden in upstate New York.

One man's swirling six-acre monument of stone.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The celebrated eyesore created by starry-eyed sweethearts.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

The site where two doves fell in love.

One of Jeff Koons’s largest sculptures and his first commemorative work.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Noirish green neon marks the location of one of the oldest private detective agencies in France.