These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

A historic lighthouse steeped in rumors of ghost and pirate stories.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

The walls and streets of the ancient city are peppered with penises.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

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

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Come for the flowers, stay for the bats!

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

This simple sailing boat is one of the oldest preserved fishing vessels of its kind in the world.

This park is the prime habitat for Nepal’s Bengal tigers.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

This historic square in Nepal is home to temples dating back to the third century.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

Peek into the world of those creating the beautiful, delicate paper parasols found all over the globe.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.