The mummified relics of an American missionary.

Salute the leader of the proletariat.

During the holidays, a vintage subway train whisks New Yorkers back in time.

The oldest living tree in Manhattan comes shrouded in sinister legend.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

This collection of grinning ephemera has grown from basement to Brooklyn.

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

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

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.

A living archive of urban activism and space reclaimed.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

Relics given to a Manhattan church to avoid seizure by the Italian government.

Iron Age "bog person" preserved for over 2,300 years.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

A particularly disconcerting tribute to Irish martyrs.

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

A retrofuturistic art installation in the Pittsburgh Airport.

Dioramas and animatronics lead you through the story of Bhagavad-gita, the Indian literary classic.