One of London's lost rivers runs through a pipe over the tracks of this subway station.

Every September, international competitors flock to the flooded quarries of a tiny Scottish island.

A bizarre object of worship believed to grant wishes to those who tie it up with a rope.

At an altitude of 3,700 meters, this is the highest polo field in the world.

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.

Commemorating the 19th-century labor movement in Australia.

A boat slowly sinking into the Essex mud flats bearing the names of the disappeared that haunt the Thames Estuary.

A Texas museum filled with Broncos and Betties.

This community museum preserves the largest collection of Coal Age fossil plants in Maritimes.

An outdoor gallery of sculptures chiseled from a unique stone that deemed Arequipa's old town a UNESCO World Heritage Site.

This bombed church was given a new life as a contemporary art gallery.

This subway station is named after a local legend about supernatural dancing cats.

What looks like an ordinary house from the outside is actually a rotating sculpture.

A pile of earth left over from a water supply project was converted into an anti-aircraft installation during World War II.

These spindly, stone-capped formations are the product of glacial deposits and thousands of years of erosion.

It is intended to take one back to a stripped-down simplicity, to spend extended time both inside and out, and absorb the natural drama of the Upper Rio Grande Valley.