Around the Web: Top Picks for April 26, 2014

What we're clicking on this week (when we're not fantasizing about a World's Fair revival).

New York Public Library's Map Warper is an open-source tool that lets you look at (and download!) over 20,000 historical maps and overlay them with current ones. – Jeralyn, editorial director

Speaking of World's Fairs, what should New York do about 1964's Tent of Tomorrow, now sitting derelict in Queens? – Pavia, founder

Share your travel story with photos, videos, and text with the beautiful new multimedia storytelling app Steller. – Tess, editorial intern

Yes, yes, I know everyone here in NYC is more than happy to finally bid winter adieu. But this styrofoam blizzard at Museo d'Arte di Lugano in Switzerland looks like so much fun! Catch it from April 28th through July 11th. – Becky, editorial assistant

Have you ever seen the President's travel itinerary? His eight-day, four-country trip in the Asia-Pacific region is intense. – Jeralyn, editorial director

Desire lines are marked by economic development and evolving travel patterns. Architecture critic Michael Kimmelman plots the desire line along the waterfronts of Brooklyn and Queens! – Jeralyn, editorial director

Learn the origins of several Japanese Kanji characters through this animation by Tokyo COGLab. – Becky, editorial assistant

I've never walked forward in Tokyo, but this video makes me want to walk through Tokyo backwards. – Pavia, founder