Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Flames have been burning within this mountain for more than 2,500 years.

A fiery crater has been burning in the Karakum Desert since 1971.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

Nondescript building owned by ExxonMobil working on siphoning Greenpoint Oil Spill out of the ground.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

A modern addition to the Greenpoint skyline.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.

Guerilla gardeners reclaimed this abandoned railroad land literally putting down roots.

Once a month, an Indonesian feast appears inside an Elmhurst church hall.

Nearly four centuries after its founding, remnants of one of the oldest planned communities in North America are still visible in southern Brooklyn.

A subterranean display of public art and architecture.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

A manifestation of modernist architectural ideas, this massive, multi-purpose building was one of the first of its kind in Southeast Asia.

An independent bookstore and press with a large collection of local and English-language literature.

Few people have ever heard of, let alone visited, one of Turkmenistan’s most impressive natural attractions.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A public urinal so pretty, it was declared a national monument.

Europe's official "zero-level," the equator of elevation.

A historic lighthouse steeped in rumors of ghost and pirate stories.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.