Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

The Japanese mayo factory famous for its cute mascot.

Trees emerge from the surface of this small man-made reservoir.

Half of a waterfall goes into the river while the other half seems to disappear.

Sculpture park built by a 50-year-old widow.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

The final resting place of the famous Rhode Island lighthouse keeper who heroically saved dozens of people from drowning.

Oldest synagogue in the United States.

A sweet tribute to Georgia's official state vegetable, which even has its own mascot: "Yumion."