The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

The oldest house in Lindsborg, Kansas, includes some fascinating inscriptions.

Journey up the capitol building's cupola for an amazing view of Topeka.

A unique blue and yellow phone booth in America's "Little Sweden."

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

A diverse, expansive nature preserve in northeastern Kansas.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

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

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The narrowest house in America is seven feet of pure spite.

An original apothecary from 1792.

It was once the base for a series of domestic terror attacks.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.