A vault of safe-deposit boxes in an old bank has been repurposed as a time capsule of Hispanic culture.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This former coal gasification plant found a curious second life as a popular public park.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A mecca for India's Jains.

Sacred Indian temple that’s all monkey business.

Ornate, dome-topped cenotaphs fill this royal crematorium.

A downtown park built on top of unclaimed graves.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

More than 200 unconventional musical instruments that anyone can play.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

A whimsical monument deep in this park commemorates the groups that helped build it.

This collection honors the iconic, and proudly American lighter that just won't quit.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

This Toronto garden collects stares and tchotchkes in equal measure.

In DeWitt, New York, a blanket-wrapped gas station makes a creative statement on global dependence on oil.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

Eclectic architecture in the woods of New York.

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.