The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The quiet field that inspired one of the most famous songs of all time.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Macabre astrological automaton clock dating to the late 1400s.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A church of bones, decorated with 40,000 human skeletons.

An Irish Memorial commemorating those who perished due to potato blight.

A unique sculpture park that specializes in the huge and bizarre.

The summit Roosevelt conquered before he descended to become The Chief.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Step inside Lucy, the world's largest "elephant."