Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

This archeological site hidden behind Teotihuacán's pyramids shelters 1600-year-old murals.

This Tang Dynasty behemoth is the biggest Buddha in the world.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Time-frozen department store of dangerous and dusty relics.

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

At a Bangkok bistro, one pot of beef stew has been cooking non-stop for more than 45 years.

A shrine honoring a legendary ghost bride lies within this vibrant temple.

Vintage furniture and art share space with all manner of collectibles at this quirky shop in Bangkok.

This museum has a most unusual location: inside a giant, three-headed elephant.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

Extravagant mosque honors modern Islam.

A forsaken beachfront condo abandoned after the Boxing Day Tsunami.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

A way to take your secrets to someone else's grave.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A crumbling hospital from the 1850s on Roosevelt Island.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.