I am a big part of life, yet i cannot be seen. I tend to worry people but i can bring an air of nostalgia

Quiet as a mouse, swift as a breeze, In shadows they move, with utmost ease. Like whispers at night, unseen they glide, With secrets so deep, they choose to hide.

In one, you see sculptures and drawings, and in another, you see our ancestors' doings. There's also one where you see scientific innovation, and one where you see animal bones and vegetation. Some are free to enter, some need a price.

Before jets cut paths through heaven’s blue, I ruled the skies with stately view. Born of gas and counted seams, A floating titan of Kaiser dreams.

Hush; I will sing you an old tale of the sea, As my mother and my mother's mother did for me, Hearken, of how our ancients' ceaselessly heard A string of most familiar words, Take my hand, Risen, I'll heed your command! I gift you sweet life, And beg you, be mine wife! We took their offerings in glee, Now treasure their bones under the lee