Nimrod Polar Expedition base, and home to hundred-year-old frozen whisky.

The world's largest neutrino telescope searches for secrets of the universe at the South Pole.

The best place to send your postcards home from Antarctica.

Russian Orthodox church built on an Antarctic island.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

One of the world's southernmost bars.

Natural time capsule containing an alien ecosystem.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Ancient structures used to make and preserve ice in the deserts of Persia.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The magic's in the hole!

A volcanic fissure over two miles long and up to 70 feet deep.

An optical illusion found amid a logged redwood forest.

This little museum has an exhibit devoted to the elusive forest denizens.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Canyon walls shrouded in ferns.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.