On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This watchtower once presided over the Berlin Wall.

You've probably seen these distinctive orange-tiled columns on the big screen.

To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.

An abandoned football stadium with a tragic past.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

A local scoured more than 1,000 acres for stone to create his masterpiece.

A fantastic array of trays and cables once whisked books over to the Capitol at 600 feet per minute.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The United States Capitol's former columns still stand.

The only surviving leech house in the United Kingdom was a home for bloodsucking worms until the 1900s.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.