These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

An architectural oddity hides in plain sight on this iconic London bridge.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Eighty million natural history specimens call this gargantuan museum home.

An entire town preserved as a historic landmark.

The only road through the heart of Glacier National Park.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

This amazingly preserved Gold Rush town is a historian's dream.

The colorful, smiling concrete silos of Vancouver.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

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

A cluttered and astounding collection of antiquities and curiosities.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.