Over fifty whirling pools left by the glacial age.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Museum dedicated to awful artwork.

The headquarters in Salem doubles as an occult art gallery.

The Boston square dedicated to the dark poet who was born nearby.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This series of waterfalls tumble into a radiantly blue river.

Trek through the jungle on a boat and a swinging bridge and you'll be rewarded with these refreshing, if pungent, mineral pools.

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

A natural swimming hole that was once a ceremonial center for Mayan priests.

One of the few places where you can visit a cenote and Maya ruins at the same time.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

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

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

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

This popular cave pool is truly magical, despite the crowds.

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

These winged Maya figures are the subject of speculation and conspiracies.

Take a dip beneath the stalactites in this amazing cenote.

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

This sculpture forces visitors to confront their relationship with space.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

Century-old shop, specializing in Occult products.