The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Bouncing, delightful, mechanical art at the MIT Museum.

Impossibly life-like natural history models created out of glass by a father and son.

Three prestigious academic collections come together to create a world-class natural history museum.

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

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

A sweet symbol marks the place where torturous executions were once carried out.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Pop culture has helped to keep this iconic British building from being destroyed.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Hear the quietest sound from across the dome.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

An unusual round church in London with a Templar past.

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The celebrated eyesore created by starry-eyed sweethearts.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.