Third time's a charm, or in this case, two testicles are.

Invented in the mid-19th century, this machine could send copied images via telegraph lines.

The enigmatic sculpture hides above an escalator in a Milan metro station.

A brutalist gem towering over the heart of Milan.

Vast network of air raid tunnels beneath Lombardy's capital.

This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

This massive monument has been telling the time for 150 years—at a slight angle.

Belfast's namesake river still winds below the city center, hidden from sight.

It houses a menagerie of wondrous taxidermy specimens from around the world, including the remains of a famous gorilla.

An array of ancient artifacts from Bronze Age Bristol and other civilizations are housed in this museum.

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

One of downtown Berlin's last reminders of its Communist past.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Time stands still at this serene burial ground in the center of Budapest.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.