Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

Local legend says that whoever burns down this 2,000-year-old tree will only have seven days to live.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

Boats must transform into railroad cars to navigate this Polish canal.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

This museum houses an imposing skeleton army comprised of creatures great and small.

A muddy alien landscape that is home to rare species of exotic plants.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

This picturesque mansion has gone from opulent ruin to nature museum.

The central mosque of this Mali town is entirely built from mud.