The final resting place of the poets Shelley and Keats.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

Structure built from the skulls of vanquished foes.

This Italian pyramid is said to hold the mingled remains of the dead from both sides of the Battle of Novara.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

Japan's largest and oldest annual procession of floats, begun in 869.

Peace Park and the Atomic Bomb Dome.

The world’s first hotel to be run by robots.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

A beautiful bamboo trail tucked in this famous Japanese Shrine.

Japanese national treasure originally built in 593 CE.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

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

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

The 10,000 Torii shrine.