Liquor and flowers mark a holy site for Indian motorcycle riders.

Designed to serve primarily the Maharaja, this is an interesting variation on the traditional stepped well.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

A Cold War atomic camp buried under the ice is now emerging because of global warming.

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

This stone, said to have once been a young woman, is sacred to the Dakota and Lakota nations.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

This Neolithic-era complex boasts standing stones, a cairn, and the only henge in Western Scotland.

This collection of ancient structures makes up part of the largest group of prehistoric earthworks in Britain.

This comprehensive collection features Native American artifacts dating back centuries.

The largest and most well-preserved petroglyph site in the Verde Valley.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This Haudenosaunee restaurant is a delicious tribute to indigenous cuisine.

The largest brick bridge in the world.

A gorgeous stone viaduct crosses over a bucolic valley.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This museum pays tribute to the largest group in the Iroquois Confederacy.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A railway bridge leading nowhere stands lonely in the middle of a meadow.