A rare example of World War I trenches from the British front.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

This abandoned Belgian fortress is purposefully being left to nature.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A geological mystery on Camelback Mountain.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Take a monster truck tour around an ostrich farm in the middle of the desert.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

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

The ghostly remains of an accidental sea.