A major pre-Columbian archaeological site in central El Salvador.

Antoine de Saint-Exupéry's 1943 book shares a surprising connection with El Salvador.

A legendary tree towers within its own vibrant sanctuary.

A Mayan village preserved for centuries in volcanic ash.

A desert that evokes the surreal.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A crumbling hospital from the 1850s on Roosevelt Island.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

Visit the monolithic tomb of America's most famous general.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

Hiroshima survivor on Riverside Drive.

Harlem park dedicated to compulsive hoarders killed by their own junk.

One of the only single-person private gravesites in New York City.

The mummified relics of an American missionary.