One of Ireland's most infamous prisons for rebels including men, women and children.

A ghost village sits atop a mountain within Jordan’s largest biosphere reserve.

An ancient capital city that dates back 3,000 years and harbors many surprises.

An oasis of shade and color amidst the bustle of the old city.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

An ancient octagonal weather station named for the eight Greek gods of wind.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The largest known Ancient Egyptian obelisk.

This Japanese national treasure was originally built in 593.

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

An eerie reminder to the horrors of World War II.

This glass wall is gradually filling up with paper cranes, in honor of Hiroshima’s past and dedication to its future.

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

Peace Park and the Atomic Bomb Dome.

Take in a sweeping views of Guanajuato—and save yourself a hike up a steep hill—on this funicular.

This highly decorated dam is one of Guanajuato's most unexpectedly beautiful public works.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

Mexico's astounding mummy museum with "the world's smallest mummy."

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.