This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

This unassuming Victorian cemetery is the final resting place of author Lewis Carroll.

A tiny monument to the classic American candy.

This knockout museum lies in a sleepy corner of London.

The secret wartime bunker built on the platforms of an abandoned Tube station.

A fearsome dragon clings to a corner of Munich's city hall.

This overlooked street light once served as a KGB dead letter box.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

The weathered grave of a medieval anchoress who walled herself up in a cell attached to a church.

An old slaughterhouse now holds the largest collection of pig artifacts.

Amazing collection of folly buildings in Cobham, Surrey.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

An unusual round church in London with a Templar past.

Hidden beneath the streets of London is a secret subway that only carried mail.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The world's oldest operational public pier railway has shuttled seagoing commuters from ship to shore since 1909.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The world's oldest optical museum is an odd collection where the exhibits look at you.

A private selection of curiosities, carefully curated by a young Brighton local.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.