Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

This handsomely carved wooden church is more than 800 years old.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Ancient pueblos built into the base of a natural canyon wall.

After a battle with Congress, Webb C. Hayes installed the gates of the White House on the fence of his father's Presidential Library and Museum.

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This national landmark is also home to a massive treehouse.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

Abandoned blast furnaces are an enduring reminder of Scranton's once booming iron business.

Classic burger joint that’s been serving up sliders since 1952.

This unassuming stone commemorates a condiment factory gone up in smoke.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

The classic Christmas carol was written at this Massachusetts tavern in 1850.

On the outskirts of Pennsylvania’s capital city, a reminder of the worst accident in U.S. commercial nuclear power plant history.

Japan’s tallest Godzilla statue contains a piece of the original 1954 film within its base.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.