Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

Buy your fish and have it cooked to order in this bustling, eight-floor seafood market.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

The 400-year-old remains of the samurai invasion of Korea.

A chilling monument to Korean patriots who resisted the Japanese occupation.

Plenty of old carney magic still haunts this photogenic amusement park.

Secret North Korean passage discovered below the world's most dangerous border.

Soviet General Zhukov’s former home is a quiet spot amid the heavy traffic of Ulaanbaatar.

History, geography, and shamanism meet in this eye-catching monument to the greatness of three empires.

An exceptional assortment of fossils recovered from private collections.

Mongolian Buddhists believe this monastery in the Gobi desert to be the center of the world's spiritual energy.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.

Enormous statue of the Emperor of the Mongols.

The grassy landscape is home to the world's last truly wild horses.

This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

These secretive tunnels were once the site of a Royal Air Force fuel reserve depot.

A striking 12th-century-style castle built on the edge of a cliff.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A slice of central Asia in the middle of Berlin.

This abandoned-looking amusement park is frighteningly open for business.

North Korea's massive "hotel of doom."

A bizarre collection of gifts to North Korean dictator Kim Jong Il from the despots of the world.