Commemorating the spot where the famous scientist fed his pigeons.

Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

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

Slyly buy a shake in the Parker Meridien lobby.

Wine bottle sculpture with a ship's stateroom inside.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

Five miles of underground river link lake to ocean.

This holy site either displays a centuries-old cross or a complete fake.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

Church organ in the Philippines constructed out of bamboo.

The world’s first penitentiary, meant to be humane, drove men insane.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.