"The Middle Toe of the Right Foot" by Ambrose Bierce:
A man named Manton, with a troubled past, is drawn into a ghostly duel in an abandoned house known for its eerie occurrences.
"The Vault" by H.P. Lovecraft:
George Birch, an undertaker, gets trapped in a sealed vault and uses the remains of the dead to escape, unleashing supernatural consequences.