The world's oldest soul food restaurant is also one of its best.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Obscure Freemasons still live in D.C.’s largest private residence.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

Home to a vast and influential collection of Shakespeareana.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

A wondrous old library overlooking the nation's capital.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

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

Home to items never before seen by the public.

The United States Capitol's former columns still stand.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This impressive midden of scallop shells apparently all comes from a single fishing company.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

In the Scottish Highlands, this 13th-century castle ruin is hidden at the end of a farm track.

A curious collection of mechanical moving figures.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

Railroad came. People came. Railroad left. Town died.