A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

This 700-year-old street food market features baby octopus and soy donuts.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The history of radiation is on safe display at the foot of a radiation science laboratory.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This orchid sanctuary protects countless varieties of the flower, from the huge to the microscopic.

An enormous, 30-story-deep hole in the middle of Guatemala City.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Get up close and personal with these majestic fish.