The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

The eclectic seaside sanctuary caters to a rather fowl crowd.

In the sleepy town of Gozo exists a reproduction of the entire town of Bethlehem.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

A hidden tunnel of bones in one of Malta's oldest churches.

This subterranean necropolis holds three floors of antler-dug grave caves.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

Puppet theater and museum holding a collection of more than 300.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

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

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

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A wunderkammer of mysterious objects and stories.

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