One of its engravings is believed to be among the first representations of medical and surgical instruments.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

An alien landscape of chalk-rock in the Egyptian desert.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Traditional 15th century Chinese garden in the middle of Vancouver.

Every year, the colorful murals of Montreal get a complete makeover.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A celebration of Colombia’s premier contemporary artist.