If you want a Columbia River Gorge hike that delivers max waterfall vibes with minimal effort, Horsetail Falls and Ponytail Falls ...

You can get an elevation certificate by contacting a floodplain manager, land surveyor or engineer. A certificate might lower your flood insurance rate, but it isn't required.

To visit Ngorongoro Crater and Olduvai Gorge, you are required to travel with a licensed guide – provided by the site for an extra fee or through a safari tour.

The serendipitous discoveries of the Taung Child ’s cranium in 1924, the first evidence of the species Homo habilis at Olduvai Gorge in the 1960s, and Lucy ’s 3-million-year-old bones ...

Conventionally, the elevation differences of the bridge deck can be measured through multi-period leveling analysis. However, the investigations rely on manual, labor-intensive on-site measurements, ...