Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.

The largest whale museum in Europe allows visitors to walk among life-size giants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Cold war icon and onetime "hole" in the iron curtain.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This ancient Egyptian obelisk still bears the wounds of World War I.

The commemorative stone column conceals a secret laboratory.

An archive of ceramic eggs painted to record clowns' personal makeup designs.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Two plaques commemorate the site of Shakespeare's first theatre.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.