An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

A massive sustainable farm designed by the mastermind behind Central Park.

Cryptid lake monster honored with its own monument.

The only recreation of William Shakespeare's indoor playhouse.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

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

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

An overlooked memorial honoring the local Washington residents who died in World War I.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

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

The house where John Wilkes Booth conspired with his co-conspirators.

Home to a vast and influential collection of Shakespeareana.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

Only hotel where you can legally launder money.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.