The entire length of the border is marked by a 20-foot-wide slash through the trees.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

This folk art compound was built by a fortune teller on the advice of three people from the future.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

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

An enormous concrete structure built over a nuclear crater.

A picture-perfect town, perfect for blowing up.

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

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

This Canadian island is a veritable garden of decay with countless abandoned structures dotting the landscape.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

The most magnificent bottle house in a town strangely full of them.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

On the Oregon coast there is a natural hole that seems to be draining the sea.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

Once America's tallest structure, now a Baltimore landmark.

Connecticut's shot tower is near the end of its life.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This statue, deep in a Swedish forest, is all alone, just like the renowned recluse would have wanted.