Do you mean pyramids? if so, don't believe aliens did it... that's dumb. It was Egyptian slaves.
If you mean temples the answer is the same thousands of slaves
In Egypt.
YES
The ancient Egyptian temple that was known for its luxury was Luxor Temple. The temple was built around 1400 BCE.
Cleopatra's needle(s) are obelisks originally built by Thutmose III in 1450 BC. and they praised his achievements. Later Ramses II added his own praise for himself to them. You could say they were ancient brag books about two Pharaohs and had nothing at all to do with Cleopatra. "Cleopatra's Needles" is just an exotic name that someone made up for the obelisks.
The temple of Hephaestus was built for Hephaestus and in in honor of him.
the golden temple was built in amritsar
This temple was built by King Samaratungga.
Solomon's temple was built in Jerusalem on the "Temple Mount". It was a temple built to house the "Ark of the Covenant".
Casesar erected a statue of Cleopatra in Rome in the temple he built called the temple of Venus Genetrix. This was to celebrate his Egyptian victory and Cleopatra was the symbol of Egypt at the time.
Aphrodities Temple was built in 100 b.c.
The Temple of Luxor was built in Egypt in 1650
Sun Temple was built in 13th Century.