Follow the original medieval paths that wind through this intriguing section of the city.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

The patch of land below the memorial was gifted by the British to the United States.

This network of narrow, medieval passages has the most delightful name.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Largest Roman Catholic church in North America.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The walls of the iconic dome are hollow and have a secret stairway.

A nostalgic bibliographic gem.

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

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

Thousands of turbines whir at at the origin of North American wind power.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Seven ceramic sculptures are scattered around this California college campus.

The Zalud family experienced a number of tragedies in one decade, giving rise to rumors that the 19th century house is haunted.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.