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

A wooden hut from the Heroic Age of Antarctic Exploration.

The place of worship erected not once, but three times in one of the most desolate places on Earth.

These passages carved from the Antarctic ice hold strange shrines to the harsh southernmost climes.

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

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

After the devastating 2011 earthquake, historic Christchurch begins to recover, starting with the pop-up Re:START mall.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

At 207 feet, one of the world's longest continuous escalators.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The largest source of fossilized insects anywhere.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Strange red rock formations that have been attributed to a higher power for hundreds of years.