A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

An overlooked memorial honoring the local Washington residents who died in World War I.

This ancient Egyptian obelisk still bears the wounds of World War I.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Where Stoddart and Connolly suffered in the infamous Bug Pit.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

The Avenue of Mausolea is a series of grand palatial tombs.

18m long sarcophagus of a constantly growing dead prophet.

Light still pours into the ruins of this ancient Islamic observatory.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

This Soviet statue is based on a piece of propaganda that's been elevated to national myth.

Beatlemania is still going strong... at least in Kazakhstan.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

A theme park attraction designed to turn your children into LARPers.

This unique zoo is the only place in the world where you can see all 15 species of crane.

A large circus museum with summer performances.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.