It is an ancient giant’s grave!

This sprawling stone mosaic on Berlin’s Museum Island transforms archaeological finds and local legends into a walkable work of art.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

The Guinness Book acknowledged one of the biggest and oldest collections of computer games, featuring a strange 'pain machine' that blurs the boundaries between the digital and the real world

The best bagels in Berlin are tucked away in an independent bookstore.

A small hippo-shaped fountain in Berlin, Germany.

A rebuilt Roman city that was once the largest Roman settlement in the region.

The resting place for anonymous victims of the Danube's dark waters.

The world’s oldest military museum has remained largely unchanged since the last days of the Austro-Hungarian Empire.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

This giant, 83-year-old ship elevator is an engineering feat to behold.

This monumental work of art symbolizes the coming together of a previously divided city.

A six-story, asymmetrical tower filled to the brim with scientific experiments.

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

A century-old shot ball factory tower is open to the public once a year.

This 17th-century "unicorn" was cobbled together from the skull of a rhinoceros, the legs of a mammoth, and the horn of a narwhal.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A surreal museum of extraordinary industrial objects.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

This figure was carved in the likeness of a voyeur, so that every time he spied across the street, he would find only himself staring back.

A ring of soy sauce bottle bases decorate an important Singaporean landmark.

A gorgeous gilded tower houses what may be the world's largest collection of gin.

These bronze statues depict the early days of trading in Singapore.