This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The subtle science of a master molecular gastronomist.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The only diamond mine in the world where you can keep what you find.

A beautiful but toxic fountain of mercury.

The final resting place to 300 Victorian-era pets hides inside the city park.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

France's national museum of scientific and industrial instruments.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Tubing through a cave lit with glowworms is a magical underground experience.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

An incarceration museum on the spot of possibly the oldest prison in England.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

This tangled English forest looks like something right out of a fairytale.

Bioluminescent firefly squid light up this Japanese fishing port.

An island filled with hundreds of hanging, decomposing, decapitated dolls.