Stairs

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

A set of parking garage escalators doubling as a historical overview of Rotterdam.

As seen in the Spice Girls ‘Wannabe’ music video.

Slip in a slide while waiting for the ferry.

This tower is one of the best-preserved (and least-visited) remnants of medieval Paris.

These colorful staircases can be found around Goa’s capital.

This grandiose staircase was part of the revival of a medieval Spanish architectural style combining Christian and Islamic influences.

A single block in this stone staircase to the temple is mysteriously always wet.

A small cave network was discovered under a home in Xagħra, in 1924 when the owner was digging a well.

A terrace reminiscent of Rome's Spanish Steps is tucked away in a little park in Washington, D.C.

Local legend says a monk brought Christianity to Bornholm through his sermons in a cave inside this free-standing rock.

Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

A breathtakingly steep set of stairs is carved directly into the face of the sea cliffs of Bonifacio.

A 15th-century Corsican chapel that possesses a rare Catholic monument: a "Scala Santa," or "Holy Stairs."

Local legend holds that if you can make it up this steep cobblestone stairway without taking a breath, you'll have wish come true.

A grueling 699-step stairway to a heavenly view of the island of Saint Helena.

These 4,444 wooden steps straight up a mountain were built to serve a hydroelectric power station but these days, they're mostly used by hikers.