These enigmatic ruins continue to vex archaeologists.

A devastated ruin in the south of Belize where British explorers claimed to unearth the Mitchell-Hedges Crystal Skull.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

A massive underwater sinkhole made famous by Jacques Cousteau.

A crumbling cliffside ruin hidden in the woods.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

Offbeat arts organization that hosts exhibitions, events, and explorations.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Nondescript elevator doors open to reveal a stunning, surreal world.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Unlock the secrets of the conjuring arts.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A semi-scholarly approach to sex.

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

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

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.