Ancient human, animal, and geometric figures drawn in the earth.

Massive prehistoric mammals used these stones as oversized scratching posts.

An extensive collection of ancient Egyptian artifacts and mummies.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Detailed facade of a brownstone in Boerum Hill.

This innocent-looking townhome is actually a subway exit.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Limestone caves with spectacular showcase chambers.

Collection of vintage trailers double as hotel rooms.

A spiritual vortex among the red rocks in Sedona.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

A living archive of urban activism and space reclaimed.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

This overlooked gem outside Niagara Falls preserves and celebrates Iroquois culture.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

Volunteer-run library dedicated to exploring five decades of activism history.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

Dedicated to preserving the history of free Black communities in Brooklyn and beyond.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

A former major munitions plant that has been converted into a sprawling art space.