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

A former factory hosts an amazing collection of Mexican marionettes.

An indigenous take on European design creates a stunning visual overload.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

Get a close look at the gigantic remains of long-extinct mammoths.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

This beautifully deceptive waterfall is something far different from what it appears to be.

A mysterious pillar in an ancient burial chamber is said to predict how long you have to live.

The stoutest tree in the world.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

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

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

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

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.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

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

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

Hot Doug's "Hot Dog" Stand.

To find the "unicorns of the deep" you've got to go downstairs.

Illegal drag racing two stories beneath Chicago’s streets.

Former bath house turns gastropub.