The “Thumb” of Mauritius provides a 360 degree view of the entire country.

Climb to the top of the world's largest seated bronze Buddha.

This charming fountain honors Felix Salten, the creator of the iconic storybook deer.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Da Vinci's equestrian statue, 500 years in the making.

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

Two stone columns flank the grand Venice square, but there were supposed to be three.

Ancient snack bar of the Roman Empire re-opened.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A battle between nature and architecture in the Cambodian jungle.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

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

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

These caves secretly held national treasures during World War II.

Described as "the world's most blinging pool."

This iconic clock tower is the largest in the Philippines.

Watch butterflies take flight before you fly.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

A sculpture dedicated to the trade that gave the town its name.

A dazzling display of red rocks weathered into spires and hoodoos.