Once the path of a railway tunnel, now home to thousands of glowing insects.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Australian Lake set aglow by Noctiluca Scintillans.

An Australian lake whose pink hue defies scientific explanation.

A self-funded cemetery with a long list of inhabitants.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

Australian museum dedicated to human health and lack thereof.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

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

A vintage penny arcade hidden in the back of a fun fair-themed bar.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

Decrepit Victorian public lift is a white-knuckle ride.

The sign at the garden gate reads: "These Plants Can Kill."

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.