The final resting place of many of Germany's most famous communists.

An abandoned swimming pool decays on the outskirts of Berlin.

Blitzkrieg bop your way through Berlin's Ramones Museum.

Super-heavy Nazi architectural experiment.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

An antique curios dealer and hybrid taxidermist.

Inside a former cabaret, seven floors of erotic art.

The largest medical and anatomical collection in France lies hidden from the public.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

Saintly bones pressed into a wax effigy of a Catholic superstar.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A subterranean shelter remains intact under a busy Paris railway station.

Statue of death tucked in the University of Medicine courtyard.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This Parisian café sticks almost exclusively to an ethos of reuse.