The most underrated US attractions.

Sidestep big cities and theme parks to explore a bridge leading nowhere, great galleries, steaming volcanoes and outposts of US history

Campaign against Trump’s threat to US national monuments gathers pace

Activists are ramping up efforts to raise awareness of the US president’s order, which puts 27 US parks at risk of losing their protected status

Threatened US national monuments you have to see – in pictures

America the beautiful … it’s a land of dramatic – and protected – scenery but, with 27 national monuments’ status under review, change may be coming. Here, are 22 of the threatened mainland sites.

How to hike the Grand Canyon

With the US’s natural wonders facing an uncertain future, now is the time to visit the greatest of them all. Our writer tackles the 23-mile Rim-to-Rim trail in a single, muscle-grinding day, but offers tips for walking the route at a gentler pace

San Francisco, 50 years on from the Summer of Love

The scent of marijuana still lingers in the air, but what about rebellion? Half a century on from the year the world was told to turn on, tune in and drop out, we revisit the birthplace of 60s counterculture

‘In Montana it feels like there’s lots of sky stacked on top of us, layer upon layer’

Director Alex Smith, whose film Walking Out premieres at Sundance London this weekend, on his love for his home state, ‘Big Sky Country’