Beautiful antiques and obscure engineering artifacts trace the evolution of phones from rare luxuries to ubiquitous.

A marvel of technology a century ago, this disused power station now offers a lovely glimpse into the industrial design of the past.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

The world’s first statue of the late Apple co-founder.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A Hungarian optometrist's charming collection of Asian art and curiosities.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

A museum in the childhood house of a medical pioneer.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

This Arctic mining town is home to a cat that's spent years masquerading as a fox.

This enormous spiral sculpture looks strangely out of place on the edge of a housing development.

The sculpture of the deceased cockatoo flops atop its personal plinth.

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

Artists and musicians now rule over this former rail station.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The television series' iconic giant foot was borrowed from this classical painting.

A little slice of Japan and its aesthetics in London's Holland Park.