Thomas Jefferson's self-designed neoclassical house, and the plantation he never freed.
The mass-produced six-shooter that armed the American West, in the frontier museums of Colorado.
Diego Rivera's repainting of the mural Rockefeller destroyed, in the Palacio de Bellas Artes.
Four basalt Toltec warriors, five metres tall, standing where their temple roof used to be.
Amazonian ceremonial headdresses woven from human hair and macaw feathers, in the Mato Grosso museums.
Ten gold beads, each a spider on its web with a human face; the finest goldwork of the Moche lords.
Three thousand terraced evaporation pools on an Andean hillside, worked by the same families since Inca times.
The northern end of the Appalachian Trail, with the knife-edge ridge to the summit.
Oregon’s glaciated volcano, climbed at 2 a.m. so the snow bridges are still frozen.
A 4,199 m granite summit above Jackson Hole, the classic American alpine climb.
A near-perfect cone on the Taranaki coast, so symmetrical it stood in for Mount Fuji on film.
An active volcano you can ski in winter, with a hot acid lake in the crater.
South Korea's highest mountain, a shield volcano with a crater lake at the centre of Jeju.
East Asia’s highest peak outside the Himalaya at 3,952 m, permit-only and worth the paperwork.
The Philippines' highest peak, a 2,954 m volcano with boulder fields and a summit lake.
The Roof of Indochina at 3,147 m — two days on foot, or twenty minutes by cable car.
A three-day trek to a 3,726 m crater rim above a crescent lake with a new cone growing in it.
The Maasai Mountain of God, the only volcano on Earth erupting cold black carbonatite lava.
Ethiopia's highest peak at 4,550 m, the end point of the Simien Mountains trek.
A 4,562 m volcano through giraffe country, and the best acclimatisation walk before Kilimanjaro.
Africa's third-highest peak, glaciated and on the equator, at the top of the Rwenzori.
The skyline that became the Patagonia logo, an easy day walk from El Chalten to the lagoon below it.
A granite needle capped with rime ice, one of the hardest summits on Earth to reach.
An ice-covered cone with a lava lake in the crater, climbed on crampons and descended on a sledge.
The most accessible 6,000 m peak in the world, two days from La Paz.
Not the highest mountain, but its summit is the furthest point from the centre of the Earth.
Walk the crater rim of the volcano that buried Pompeii, with the Bay of Naples below.
The Lighthouse of the Mediterranean has erupted every twenty minutes for two thousand years.
Europe’s most active volcano, guided to 3,300 m past steaming vents and last year’s lava.
Spain’s highest point, permit-only for the last stretch, with the peak’s shadow thrown across the Atlantic at dawn.
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