This Transylvanian church has changed its denomination four times.

The Natural History Museum that time forgot.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Meet the world's longest tapeworm in a collection that really gets under your skin.

On Japan's Tashirojima Island, cats are king.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Moscow's imposing monument to the Space Age.

Museum celebrating the achievements of the Soviet space program.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Immortal combat in a Moscow museum.

Former headquarters of the KGB.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

One of the world's largest collections of pharmaceutical artifacts.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A small town Romanian cemetery filled with darkly humorous gravestones.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

Eighty million natural history specimens call this gargantuan museum home.

The anatomical-pathological collection of a man who changed surgery.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Museum preserving torture methods from the past.

A curious collection dedicated to human and animal anatomy and pathology.