Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

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

The Guardian of Tallinn.

Go surfing on this urban wave, "hacked" by local surfers.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Metro station with a claim to rock n' roll fame.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Climb inside an iron crystal magnified 165 billion times its normal size.

Amsterdam's Red Light District leaves little to the imagination.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Khmer Rouge's high security prison.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

An unrecognized micronation declared by Greenpeace to protect the glaciers of Chile.

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A pocket of jungle amidst urban expansion in Panama.

This bazaar is one of the oldest in the Arabian world.

A controversial memorial at the place where Captain Cook met his violent end.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Deadly scalding and one of the largest hot springs in the world.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.