Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

A lush indoor jungle fills this bustling Madrid transportation hub.

The remains of Uruguayan hero José Artigas lie beneath a monument in Montevideo’s main square.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

The oldest café in Montevideo preserves its history as the city's bohemian hub.

A tower devoted to — and modeled after — the Divine Comedy.

Instead of using billboards, some people here relay their messages on the side of a mountain.

This fairytale house on the shore of a Chilean Lake oozes an eclectic mix of Chilote and German Cultural heritage.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

What was once a unique system of urban elevators is turning into a mechanical ruin.

One of Chile's most active volcanoes is riddled with beautiful caves.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

The only castle in North America to ever house European sovereigns.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Museum dedicated to the terror regimes of Hungary.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.