The Cardiff Giant
https://en.wikipedia.org/wiki/Cardiff_Giant
http://hoaxes.org/archive/permalink/the_cardiff_giant

Balloon Boy
http://hoaxes.org/archive/permalink/balloon_boy
https://en.wikipedia.org/wiki/Balloon_boy_hoax

Raelian Cloning
https://en.wikipedia.org/wiki/Ra%C3%ABlism
http://skepdic.com/raelian.html

The Quantum Gravity Paper
http://www.physics.nyu.edu/sokal/transgress_v2/transgress_v2_singlefile.html
http://www.physics.nyu.edu/sokal/weinberg.html
https://en.wikipedia.org/wiki/Sokal_affair

Bit Connect
https://en.wikipedia.org/wiki/Bitconnect
https://techcrunch.com/2018/01/16/bitconnect-which-has-been-accused-of-running-a-ponzi-scheme-shuts-down/

Mary Toft's Animals
https://en.wikipedia.org/wiki/Mary_Toft
https://www.telegraph.co.uk/culture/11161657/The-9-Greatest-Hoaxes-of-All-Time.html?frame=3072114

The Cottingley Fairies
https://en.wikipedia.org/wiki/Cottingley_Fairies
https://www.telegraph.co.uk/photography/what-to-see/cottingley-village-thrall-fairies-tale/

Anastasia Romanov's Escape
https://en.wikipedia.org/wiki/Romanov_impostors
http://content.time.com/time/specials/packages/article/0,28804,1900621_1900618_1900620,00.html

F For Fake
https://en.wikipedia.org/wiki/F_for_Fake
https://en.wikipedia.org/wiki/Clifford_Irving

Ghost Watch
https://en.wikipedia.org/wiki/Ghostwatch
http://www.bbc.co.uk/news/uk-england-41740176