I was able to visit the site with my laptop today. Using the following web address:
apps.nationalmap.gov
Everything appeared as it had in the past. I even tried this address with my android phone and it matched what I had seen in the past as well. If you checkmark the box named:
Elevation Products (3D Elevation Program Products and Services
You should then see a list of checkboxes. I'd recommend that you try the
1/3 arc-second DEM option. After that you can explore other resolutions.
TNM Download v2
The TNM Download Client is built on modern web technologies and features a simplified approach to downloading products from The National Map.
Everything appeared as it had in the past. I even tried this address with my android phone and it matched what I had seen in the past as well. If you checkmark the box named:
Elevation Products (3D Elevation Program Products and Services
You should then see a list of checkboxes. I'd recommend that you try the
1/3 arc-second DEM option. After that you can explore other resolutions.