A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

Art school in the Amazon: Drugs, nature and sustainable agriculture.

The world's largest clay lick, where parrots gather to snack.

This stone complex marks the urban center of a lost civilization.

A mysterious pre-Incan ruin believed to have miraculous healing powers.

Tucked behind the Institute of Neurological Science down a decrepit street resides the largest display of human brains in Latin America.

Death rituals and sacrifice inside a Peruvian megalith.

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

A market for witches is hidden within a train station.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Nature and religion are reunited at this unconventional church in the forest.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

A small chapel celebrating the spiritual bond between dogs and humans.

A New England curiosity cabinet, one hundred years on.

Beautiful hillside Vermont cemetery with amazing funerary art.

Taxonomy experiment known for quirky collections.

America's post-nuclear-attack chambers of Congress.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

A beautiful oddities shop crammed with strange and morbid curiosities.