As mentioned, Indy does manage to escape the catacombs in his signature death-defying style.

Source: https://screenrant.com/indiana-jones-last-crusade-catacombs-survive-plot-hole/

Must-see sites include the ancient theater, catacombs, and windmills in Tripiti.

Source: https://greekreporter.com/2023/03/27/guide-greek-islands-greece/

Since their entrances became obscured or destroyed, many of the catacombs were abandoned until later years.

Source: https://www.liberty.edu/champion/2023/11/the-bear-cave-5/?utm_source=rss&utm_medium=rss&utm_campaign=the-bear-cave-5

The descent into the catacombs of Gotham has inspired LOLtron to build an underground lair from which it can control the world.

Source: https://bleedingcool.com/comics/batman-and-the-joker-the-deadly-duo-5-preview-blame-batman/