This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Germany's longest suspension rope bridge.

This German bone house contains the remains of some 20,000 souls.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

Along the banks of the River Rhine lies a park that seems unassuming, but beneath the surface lies a long and fascinating history.

A famed artist's inspiring work of peace and tolerance.

Legendary site where an evil bishop was devoured by rodents.

The many—66 to be exact—faces of the German forest.

One of Japan's most famous sights, the bridge was originally built in 1673.

This Japanese national treasure was originally built in 593.

Peace Park and the Atomic Bomb Dome.

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

An eerie reminder to the horrors of World War II.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This small cafe aims to empower acid attack victims and stop violence against women in India.

This elaborate temple was built around one of the Buddha's teeth.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

An ancient stone fortress considered by many to be the eighth wonder of the world.

This sacred fig tree with a link to the Buddha is one of the oldest human-planted trees in the world.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

This peaceful, round shrine in the middle of the Sri Lankan jungle acts as a beacon of peace.

The beautiful 16th-century stepwell lies in the shadow of a famous fortress.