Museum celebrating the achievements of the Soviet space program.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This series of Scottish caves has no clear purpose other than baffling historians.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

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

The biggest museum dedicated to insects in North America, one of the largest in the world.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

Traditional 15th century Chinese garden in the middle of Vancouver.

The prototype for all Nazi concentration camps.

Go inside to really appreciate this 500-year-old technological masterpiece.