Hear the quietest sound from across the dome.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

An unusual round church in London with a Templar past.

Famously misunderstood wonder of the ancient world

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

The first declared National Monument in the United States.

This simple, broken column marks the final resting place of one of America's most famous explorers.

A smoke stack so large, the Washington Monument could fit inside!

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

University City's quirkiest resident lives in a park named after its first.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

This two-room shotgun shack in Tupelo is the birthplace of a King.