A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

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

A mocking tribute to the past and modern leadership of Prague.

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

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

King Ludwig I's collection of beautiful women.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Ship-sized kinetic sculptural fantasy.

Eighty million natural history specimens call this gargantuan museum home.

London's smallest police station is barely the size of a phone booth.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

The curios of pharmacist and collector Henry Wellcome.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.