This precariously balanced boulder is said to be a hunk of stolen butter dropped by the gods.

World's most expensive home.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

Siddhartha Gautama sat here and received enlightenment.

Fifteen Jodhpur queens left their handprints before going to their fiery death.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

The longest timber-piled jetty in the world has an underwater observatory.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

Man-made geyser that rises to the exact height of the Gateway Arch.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Berlin's old airport.

A 12th-century fortress containing some of Berlin's oldest buildings.

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

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

San Francisco's newly reopened hands-on science museum.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

An out-of-place slice of France, smack in the middle of Shanghai.

The birthplace of modern China.

The home where the first Premier of the People's Republic of China worked and lived.