Maintower in germany, 200 meters tall without the spire, peoples on the observation deck.

A slightly larger dam - Valle di Cadore, Italy

Water Tower Looming in the Background

TON 618 dwarfing S5 0014+81 even though they have almost the same mass. It's in a size category above 'supermassive' black holes and is one of the few known 'ultramassive' black holes..

Cathedral Room of Marvel Cave - big enough to fit a 20 story building inside!

The Titan's Goblet (1833) By painter Thomas Cole. Imagine the shadow that thing would cast

Nambia

"Dreamer," a drawing I did of large cumulus congestus clouds

What about it?

There wasn't an "art" tag, so I just chose "imaginary." Done with prismacolor pencils and white marker. I added the person for scale. Thought it was fitting for this sub. Large clouds have always looked foreboding to me, but I think they're beautiful too. Hope I captured at least a little bit of that here.

This building is entirely too big, and I wasn't even all the way up. Zoom in for people.

Mega castle (forgot where I took it but I thing it was somewhere in French)

Interior + elevator column of Hilton Hotel, Midtown NYC