Here are some free & useful GeoSpatial resources

Find your home's Flood Factor

Past floods, current risks, and future projections based on peer-reviewed research from the world’s leading flood modelers.

National Transportation Noise Map

Road and Aviation Noise in the United States

Incident Information System

InciWeb is an interagency all-risk incident information management system.

SkyVector: Flight Planning and Aeronautical Charts

Download sectional charts (for Drone Enthusiasts)

USGS National Map Viewer

Download public domain data from USGS - Free

USGS Earth Explorer

Download public domain data from USGS - Free

US Census Bureau Data

Download public domain data from US Census Bureau- Free

USDA Geospatial Data Gateway

Download public domain data from USGS - Free