Some temples I want to visit or revisit with my friends or family with one day.
Pura Lempuyang temple –
Angkor Wat temple -
Kandariya Mahadeva temple-
Sri Siva Subramaniya temple-

There are some more !
BAPS Shri Swaminarayan temple-
Prambanan temple -
Nallur Kandaswamy Kovil temple -
Swaminarayan Akshardham temple -

Arulmigu Navasakti Vinayagar - Nakhon Nayok museum-
Bhartiya Mandir -
Sri Mariamman -

Po Nagar Tower temple -
Batu Caves temple -
Sockalingum Meenatchee Ammen Kovil temple -
Bhubaneswar Shiva temple -

Krishna Mandir HDR-
The Konark Sun Temple -
Arya Dewaker -
Karyasiddhi Hanuman statue-

Thanks @manishtanks for reminding me these are
Dilwara temples in my home state Rajasthan -

Chamundeshwari Temple -
Narayaneshwar Mahadev Temple -
Somnath Temple -
Meenakshi Amman Temple -

Borobudur Temple -
Mahabodhi Temple Complex -
Bagan (many temples are here) -
Brahmavihara-Arama Temple -

Palitana Temples -
Ranakpur Temple -
Khajuraho Jain Temples -
Sonagiri temples -

Sri Harmandir Sahib -
Nanaksar Gurdwara, Edmonton -
Gurdwara Nankana Sahib -
Sri Guru Nanak Darbar Gurdwara -

Made a mistake on the Canada one Nanaksar is actually in Richmond, B.C. Not Edmonton. Oops my bad