This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

Several 12th-century ruins can be found inside this historical market.

Only two of these trees remain in the natural world, found high in the cloud forest of the island of Mauritius.

This monument sits at the foot of a mountain from which legend says enslaved people jumped to their deaths.

This small group of sand dunes manages to pack in a strange rainbow of colors.

The “Thumb” of Mauritius provides a 360 degree view of the entire country.

Dating back to 1812, this is the oldest racecourse in the Southern Hemisphere.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Giant wind turbine with observation deck at the very top.

Hundreds of signs pointing to the birthplaces of current Helsinki residents form stalactites on the ceiling of the cave-like Kamppi metro station.

This road earned its macabre nickname after hundreds of Iraqi troops died along it in 1991.

The site of a bloody showdown between invading Iraqi forces and a cell of the popular resistance in Kuwait.

A private collection of over 30,000 ancient and modern items showcasing the beauty of Islamic calligraphy.

Lived-in building, bedecked with an astonishing array of mirror mosaics.

Wander among the ghostly ruins of an island where civilization flourished for thousands of years.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

Liechtenstein's royal family calls this medieval alpine castle home.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

This interactive museum highlights the history and philosophy of one of the world's most difficult sailing races.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

A monument at Alicante Marina honors a little-known hero of the Spanish Civil War.