What is pompeii referred to as the lost city?

Pompeii is referred to as the lost city because of the volcanic eruption that basically buried the entire city in ash. Everything is as it was when that volcano erupted, and today, people can walk through and on the city.

Sequoia national park  /  inyo national forest, california, u.s. mount whitney is the tallest mountain in california, as well as the highest summit in the contiguous united states and thesierra nevada—with an elevation of 14,505 feet (4,421 m).