Ethereum uses Ether. You can buy Ether on many exchanges. There are many Ether wallets to choose from. Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference.
The Burke-Gilman Sammamish Trail is a rail trail in King County, Washington. The 27-mile (43 km) multi-use recreational trail is part of the King County Regional Trail System and occupies an abandoned Seattle, Lake Shore and Eastern Railway corridor.
Half Dome Trail Map. The red line marks the route of the Mist Trail, which will take you (if only! actually, you'll take it) to the top of Nevada Fall. This stretch is 2.6 miles (4.2 km) long and climbs 2,000 feet (600 meters).