The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

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

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

Its sunny hues are believed to have inspired the town's color palette.

Half-hidden by grassy slopes, this striking Spanish colonial fort is now a museum of underwater archaeology.

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

This one-of-a-kind convent boasts a kaleidoscopic exterior of stars and double-headed eagles.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

Iconic red and white plaques show the creative names invented to navigate the city streets.

According to legend, this hacienda was abandoned because of a curse.