After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

The drama of nature in full effect in this Nevada State Park.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A clear blue swimming hole with hidden caves, still unexplored.

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

The ghost town that ended up on Ebay.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Resting place of Hollywood's immortals is also site of summer film screenings.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

Elaborate patterns adorn the city's disappearing traditional architecture.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

A fountain standing as a testament to a doomed alliance.

The ancient latrines of the Greeks, in all their public glory.

The ancient abodes are a testament to human ingenuity amid harsh climates.

Mausoleum and Holy Seat of Antiochus I of Commagene.

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