A solar thermal lamp used for heating water inside a tank. The thermal lamp includes a transparent glass bulb with a threaded male coupling for attaching to a female coupling in the tank. The lamp also includes a heat tube with an enlarged water heating condenser. The condenser is received inside the tank. The heat tube can include a copper coil, copper fins, a glass coil, a copper lamp, a glass lamp, and the like for receiving solar energy and conducting the heat to the heating condenser for heating the water inside the tank. Also, the invention can be in the form of a solar thermal globe. The solar globe is self-contained and includes a water tank. Another embodiment of the globe tracks with the daily movement of the sun and change with seasons.