Each year melting snow turns these Austrian hiking trails into scuba zones.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

This former insane asylum now holds a pathological anatomy museum.

Macabre museum devoted to historical Viennese murders.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The final resting place for the remains of 143 Habsburg royalty.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

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

An exhibit of endangered species confiscated from smugglers and passengers.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

Australia's largest medical museum featuring a 19th-century pharmacy.

Australian museum dedicated to human health and lack thereof.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

The only pollutant in the clear blue water is sunscreen.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

An Australian lake whose pink hue defies scientific explanation.

A museum dedicated to traditional Armenian clothing and their designer.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

A geological oddity topped with a 2,000-year-old pagan temple.

One man's quest to collect artifacts from every aspect of human life has resulted in this eclectic Argentinian museum.

This magnificent abandoned hotel has long been haunted by its Nazi past.