There are several Hindu temples that showcase unique scientific aspects, some of which are:

1. Brihadeeswarar Temple, Tamil Nadu: This ancient temple, built in the 11th century, is an excellent example of Vastu Shastra principles. The temple is designed in a way that ensures that the sun’s rays fall directly on the main idol during specific times of the year. The temple’s shadow never falls on itself, which is a unique feature of its architecture.
2. Konark Sun Temple, Odisha: The Konark Sun Temple is an excellent example of precise geometric design. The temple’s structure is based on a chariot, with 24 wheels, each representing a day of the week. The wheels are carved with intricate designs that create a unique energy field within the temple.
3. Meenakshi Amman Temple, Tamil Nadu: The Meenakshi Amman Temple is an excellent example of idol placement principles. The temple’s main idol is placed in a way that ensures that the first rays of the sun fall directly on it. The temple also contains sculptures and idols that correspond to different energy centers in the human body.
4. Jagannath Temple, Odisha: The Jagannath Temple is an excellent example of sound and acoustics principles. The temple’s architecture is designed to create a unique acoustic environment, where sounds made in certain parts of the temple can be heard clearly in other parts.
5. Padmanabhaswamy Temple, Kerala: The Padmanabhaswamy Temple is an excellent example of orientation principles. The temple’s main entrance faces east, and the temple is aligned in such a way that the first rays of the sun fall directly on the main idol during specific times of the year.

Overall, these temples showcase the unique scientific aspects of Hindu temple architecture and design, which have been refined over thousands of years. They reflect the depth and richness of Hindu culture and spirituality, and their scientific features continue to fascinate and inspire people around the world.