The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A historic freight system that found the true gold rush is in tourism.

A trading post in the North Pole where children send letters.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A skeletal collection of former nautical mainstays.

This decommissioned DC-3 now forever points into the oncoming wind.

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."

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

Come for the flowers, stay for the bats!

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Qatar's oldest market can trace its origins back more than a century.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This legendary roadside attraction feels like a bizarre mirage, 101 kilometers outside the resort city of Eilat.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

A graveyard of old and rare planes that once were the glory of Persian aviation.

This 17th-century structure is a beautiful testimony to traditional Persian architecture

A dreamy mausoleum honors Persia's most famous poet.

17th century mosque for Shah Abbas' harem.

The palace of the King of Kings, burned by Alexander the Great.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This vessel is the final ocean-going paddle steamer in the world.