A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Abandoned bull fighting ring, slowly falling apart in Uruguay.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

This water-locked cliff face is covered in hundreds of ancient pictographs.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

These strikingly barren, rolling red hills were caused by bad farming practices.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

Rare mummified forest could offers a glimpse into how our environment has been changed by humans.

A modern version of the stone cairns built by the Inuit.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

This Costa Rican topiary park is a surreal garden of unearthly delights.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

Former WWI oil tanker played a variety of roles in history, its tantalizing rum-flavored scent being the only constant.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

These passages carved from the Antarctic ice hold strange shrines to the harsh southernmost climes.

Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

These giant volcano sponges in Antarctica are thought to be the world's oldest living animal, at 15,000 years old.