One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A tongue-in-cheek arcade where the games are based on everyday life.

Artists and musicians now rule over this former rail station.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

The naturally mummified body of a peasant girl saint.

A fearsome dragon clings to a corner of Munich's city hall.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A brush maker used his factory to protect blind Jews from the Gestapo.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Unusual building appears to be haphazardly built from randomly piled bricks.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

These Stalin-era industrial 'death traps' hang lifeless above the city

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

An incarceration museum on the spot of possibly the oldest prison in England.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.