Bath, England, UK
Dedicated to the Celtic-Roman goddess Sulis Minerva, these ancient Roman baths are still fed by a sacred hot spring. The site museum displays excavations and artifacts from the baths and temple.
The famous Temple of Athena Parthenos, built around 440 BCE, crowns the Acropolis in Athens. It was a major sacred site in Ancient Greece and is considered one of the finest examples of Greek architecture anywhere.
Altar of Heaven
Completed in 1420, this magnificent temple was considered the meeting point of Earth and Heaven. For 500 years it hosted the emperors' sacrifices and prayers for a good harvest at the winter solstice.
Angkor Wat is the star of Angkor and indeed all of Cambodia. Believed to be the largest religious structure in the world, this Hindu temple was designed as a microcosm of the universe.
This magnificent 8th-century Buddhist temple is located on the island of Java, Indonesia. Shaped like a giant mandala, it is covered in ancient reliefs depicting Buddhist stories.
Dedicated primarily to Pharaoh Amun, Karnak Temple is a vast temple complex in Luxor begun around 1600 BCE. It is an impressive sight and second only to the Great Pyramids of Giza in popularity.
Near Karnak Temple, and also dedicated to Amun, is the huge Luxor Temple dating from the 1300s BCE. It is full of monumental statues, tall walls and ancient carvings, and is beautifully lit at night.
This magnificent ancient temple was built by Emperor Hadrian in 125 and converted into a church in 609. It is the oldest intact ancient building in Rome.
Tulum Archaeological Site
Spectacularly situated on a cliff overlooking the turquoise Caribbean Sea, Tulum is a Late Mayan site that was active from around 1200 until the arrival of the Spanish.
Salt Lake Temple
Salt Lake City, Utah, USA
Founded by Brigham Young and completed in 1893, the Salt Lake Temple is the most important Mormon temple in the world.
This huge Hindu temple was constructed of marble on the outskirts of London in 1995. Full of intricate carvings of Hindu deities created entirely in India, it also houses an exhibition on India and Hinduism.
Temple of Apollo Epicurius
Dedicated to Apollo the Helper, this is one of the largest and best-preserved temples in Greece. It was completed in 400 BCE using an unusual combination of Doric, Ionic and Corinthian styles.