This hidden collection of everyday objects illustrates life within communist Poland.

Warsaw's fantastically preserved gasworks...almost.

A hidden art gallery in an abandoned Warsaw fort.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

Hidden in plain sight on a gable between two towers on the roof of shipping firm F. Laeisz' headquarter in Hamburg sits an unexpected bronze sculpture.

This small Milan street is filled with colorful homes and a rich history.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Abstract dinosaur models in London.

One man's personal kunstkammer, museum and shop.

The footprint of a frustrated devil in Munich's Cathedral.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The graveyard with the highest IQ in Britain.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

A complicated contraption for telling time by the moon.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.

The preserved left hand of a saint once known as "the Pearl of York."

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.