US federal prison cell (ADX Supermax in Colorado)
Australian gaol cell located in Melbourne, Victoria.
Giant sinkhole with a forest inside found in China. The sinkhole, aka tiankeng, is 630 feet (192 meters) deep, large enough to swallow St. Louis’ Gateway Arch - Experts also say species unknown to science could be hiding in this gaping hole
The fishermen of the nomadic Bajau tribe are capable of holding their breath for up to 13 minutes at depths of 200 feet. They are capable of doing so due to a stunning example of natural selection. It was found that they have a spleen 50% larger than that of the average human.
The 3,200-year-old tomb of Queen Nefertari. The paintings are considered to be the best-preserved and most eloquent decorations of any Egyptian burial site.