No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Whitewashed mosque contains the world's largest carpet.

270 million year-old forest of stone.

This Tang Dynasty behemoth is the biggest Buddha in the world.

This one-room museum is dedicated to Norwegian history and jokes.

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

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

A blooming house of worship for the masses.

A giant Australian fruit and tropical farm.

The king of U.S. high points towers over every other peak on the continent.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

An ancient capital city that dates back 3,000 years and harbors many surprises.

The original goat tower, the one that started it all.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Come for the flowers, stay for the bats!

Final resting place of Antarctic explorer Ernest Shackleton.

One of the world's southernmost bars.

27-room home built with the fortune of a sugar magnate.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.