Extraordinary rock formations in open Peruvian fields.

Bolivia's needle-like rock formations.

Thousands of volcanic rocks carved 1,000 years ago.

An abandoned Incan construction project left behind a mysterious "doorway."

The oldest public library in Ireland.

Odd outsider art installations surround a Gold Rush-era ghost town.

The rocks in this arid basin leave trails of movement behind them.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

Mysterious and ancient carved standing stones.

Archaeological site of Iberian people ruins.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Death rituals and sacrifice inside a Peruvian megalith.

Mysterious "dots" seen from a satellite in southeast Peru.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

An unexpected desert oasis in South America.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

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

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

A submerged village appears when dam levels drop.

This small primate research island is teeming with playing, fighting wild monkeys.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.