Ruins

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

America's oldest archaeological site or a muddled case of wishful thinking.

An ancient Viking village in North America that predates Columbus by 500 years.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Where commuters walk through remnants of an ancient Greek necropolis.

Ancient mysterious ruts carved in the bedrock.

The largest earthwork effigy in the world.

Hoax, mistake, or evidence of dinosaurs in human times?

A nearly unconquerable island-fort in the Indian Ocean.

One-layer pyramid in Indiana.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Art Deco urban decay at this historical building.

A Roman monument to their own civil engineering prowess.