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Photo: Yywilk, CC BY-SA 4.0 via Wikimedia Commons
Based on archaeological excavations of Byzantine buildings, artifacts of Roman/Byzantine/Islamic periods, ancient mosaics, and there is the Zacchaeus tree in the beautiful park. This tree is referenced in the New Testament due to its association with Jesus' visit to Jericho: "Jesus entered Jericho and was passing through it. Now a man named Zacchaeus was there; he was a chief tax collector and was rich. He was trying to get a look at Jesus, but being a short man he could not see over the crowd. So he ran on ahead and climbed up into a sycamore tree to see him, because Jesus was going to pass that way." (Luke 19:1-4, NET Bible).
© OpenStreetMap contributors
Jericho Cable Car Company for getting to Mount Temptation Monastery instead of hiking.
This site is the center of archaeological digs in Jericho. It was the location of the ancient Jericho of the Biblical times and is located some 2 km north-west of the modern city centre, overlooking the natural spring of Ein Sultan. If you prefer to focus on other things, then it is relatively easy to see the gist of the site from the surrounding roads. The site's car park features not one but two separate fountains both claiming to be Elisha's spring. A since 2023.
The synagogue floor is in the basement of a private house belonging to a Jerusalemite family, the Shahwans, at the end of the street. The family discovered the site and kept maintaining it until the Israelis confiscated the land and the house in 1987.
This synagogue is thought to be the oldest synagogue in the world. It is part of the "Jericho Royal Winter Palace" complex that was constructed in the Second Temple Period.
Tulul Abu el-'Alayiq
Not very impressive, but interesting if you are in to the topic. Conveniently located on the way in or out Wadi Qelt.
This winter palace was built by the Umayyad Caliph Hisham Ibn Abdul Malek, before being destroyed by an earthquake soon after completion in 747 CE. The extensive site contains royal buildings, a mosque, water fountains and spectacular mosaic floors. The mosaics are closed for restoration works until mid-late 2020.