See massive fossils that are over 200 million years old in northeastern Arizona.

A reproduction of earth's many biomes.

A self-built castle made by a mysterious man.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Some of the clearest water anywhere in the world.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This landmark cemetery in Boston was created more than 300 years ago.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The site of Paul Revere's historic two lantern warning.

This cemetery features modernist statues as strange as its name.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Marikina's record-breaking loafers.

Iron Butterfly's personal collection of footwear.

Bohol's mysterious brown hills.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

A beloved tribute to the Fab Four and the freedoms they inspired.

Enormous statue of the Emperor of the Mongols.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.