Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

At this exhibit on the world of poison, venomous animals steal the show.

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

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A cheeky architectural easter egg.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

This small Slovenian town has become a magnet for microbreweries.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

Artfully arranged bones of 5,800 Austrians.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

Macabre museum devoted to historical Viennese murders.

One of the best collections of wax anatomical models in the world.

This former insane asylum now holds a pathological anatomy museum.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The resting place for anonymous victims of the Danube's dark waters.

A magnificent collection of imperial armor and weaponry.

The Habsburgs' royal collections of art and wonders.

A spectacular cave and a beguiling lake.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.