A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A daily replay of the experiment that proved the rotation of the Earth.

World's first "penitentiary," meant to be humane, drove men insane.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A snapshot of the city's fascinating voodoo culture.

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

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An exquisite tunnel of cascading flowers.

On the Oregon coast there is a natural hole that seems to be draining the sea.

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

The oldest continuously inhabited street in America.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

At this small shop off a dirt road in the forest, the specialty is eel the owner caught and smoked himself.

A retired oil tanker now offering amazing views of New York City.

The last slot car racing arcade in Brooklyn is keeping the dream of speedy little autos alive.

Rippling sand dunes frozen in the Arizona rock.

A psychedelic labyrinth on the San Francisco bay.