A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

This stunning mass of ice spans 121 square miles and is still growing.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

The other side is actually green.

The solemn exterior conceals an opulent interior of this 17th century church.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

A small subculture of boat dwellers keep their traditional way of living alive at this Hong Kong Typhoon Shelter.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A turquoise lake within a volcanic crater.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

A bright little alley in La Boca is a part of tango history.

Elvis's own personal tropical hideaway.

This historic hotel invented the chocolate brownie.

Years of archaeology, just chillin' by the water cooler.

Fantastic views and thousands of love locks.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.