The largest earthwork effigy in the world.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The world's longest known cave system.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

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

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.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.