The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

An architect transformed this abandoned cement factory into his castle-like workshop.

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

Colorful and chaotic stacked hotel in North Holland.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

The eccentric mansion of one the most popular horror authors of modern times.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This lake-bound geographical marker sits at the point where three European countries intersect.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Akureyri is home to an oversized can of one of Iceland's favourite beers.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Massive still life just off the highway in Kansas.

This iconic science fiction house still looks like something from the future.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

This whimsical stacked cabin looks like something out of a children's book.

What was once a bustling mining installation is now a bustling hub of contemporary art.

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

Two massive boulders, rocking back and forth with the ebbing of the sea.

The abandoned village of Skarð aptly illustrates the idiom "Don't put all your eggs in one basket."