The Third Level is a short story written by Jack Finney. It is a science fiction story that deals with the theme of time-travel. The story is about a man named Charley who discovers a secret third level at the Grand Central Station in New York City, which leads him into the past.

The Strangest Thing at The Third Level:

The strangest thing at The Third Level is the corridor that led Charley into the past. This is because it is a secret passage that is hidden from the public eye. Charley discovers this passage by accident when he was trying to escape from the noise and chaos of the present world.

The Corridor:

The corridor is a long and narrow passage that is dimly lit. It is made of old bricks and has a musty smell. Charley describes it as a "time tunnel" that transports him into the past. The corridor has a mysterious and eerie feel to it, which adds to the suspense of the story.

The Passage into the Past:

The corridor leads Charley into the past, specifically to the year 1894. When he steps out of the corridor, he finds himself in a different world. The people are dressed differently, the buildings look different, and the atmosphere is completely different from the present world. Charley is amazed by what he sees and experiences.

Conclusion:

In conclusion, the strangest thing at The Third Level is the corridor that leads Charley into the past. It is a mysterious and eerie passage that transports him to a different world. The story is a fascinating exploration of the human imagination and the possibility of time-travel.