American Bittersweet
"Celastrus scandens"
If the birds hadn't beat the photographer, you'd see bright red seeds inside the bright yellow pods that are opened.
Fruits are toxic. All parts may be toxic. Do not ingest. This plant has some folk medicine uses, however. Thanks Soggyfeet...

bittersweetbittersweetcelastrusscandensvineyellowpodredseedmedicinefolktoxic'americanbittersweet'