This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

This castle has links to Portugal’s founding and struggles for independence.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

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

The remarkably well-preserved final resting place of a powerful ancient Thracian king.

The skeletal white beams stand as a monument to religious dissent.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This one-room cabin where the young colonel slept during the French and Indian War.

Built by the patriotic residents of Boonsboro in a single day.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

Once America's tallest structure, now a Baltimore landmark.

Eastern Bloc nostalgia, anybody?

This simple stone memorial remembers a secret, Geneva Convention-defying interrogation base from WWII.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

A 11-foot former president stands on a Kosovo street that also bears his name.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

One street divides a single town that stands in two U.S. states.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.