Even Mother Nature knows what's up with Florida*.

Everyone laughed when the Incans built in the mountains. Who's laughing now?

Humanity's need to build on coastlines is our downfall. Damn you life-giving water.

How long would it take that inland sea to turn desert into sustainable* farmland?

Read all about how National Geographic used data to determine these graphics as well as see how Africa, Asia, and Antarctica would fare.
ngm.nationalgeographic.com
SOURCES: PHILIPPE HUYBRECHTS, VRIJE UNIVERSITEIT BRUSSEL; RICHARD S. WILLIAMS, JR., WOODS HOLE RESEARCH CENTER; JAMES C. ZACHOS, UNIVERSITY OF CALIFORNIA, SANTA CRUZ; USGS; NOAA, ETOPO1 BEDROCK, 1 ARC-MINUTE GLOBAL RELIEF MODEL COPYRIGHT © SEPTEMBER 2013 NATIONAL GEOGRAPHIC SOCIETY