There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Owned by no one but beloved by all, Brownie was a good dog.

This restored house is like a time capsule of the president's unconventional inauguration.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

The little-known second castle that William the Conqueror built in York.

The little-known final resting place of one of America's greatest writers.

A quaint museum nestled in a former hub of Irish moss harvesting.

The final resting place of Christopher Columbus - or possibly someone else.