The land of the free — and the home of the brave face.

America has a lot of things going for it: Unrivaled military strength , extensive technological innovation and a persistent entrepreneurial spirit are just a few.

But ahead of the 250th anniversary of its independence, the US is showing its age. America only placed 18th in US News & World Report’s new rankings of the best countries due to “notable weaknesses in key dimensions of national well-being.”

Ahead of the 250th anniversary of its independence, America is not as healthy as it could be. AP

The US earned No. 1 in culture and tourism and No.…