Rent out a glass igloo to watch the Northern Lights like you live in the future.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A subterranean playground in an abandoned slate mine.

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

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

Exotic feline breeding compound and conservation center.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Lavish royal estate punctuated with heated greenhouses.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

The most powerful waterfall in all of Europe.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Climb right into the heart of this colorful Iceland volcano.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

The Magical World of George Phar Legler.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The 953 windows undoubtedly make this the world's most beautiful screened porch.