Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Qatar's oldest market can trace its origins back more than a century.

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

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

Vietnam's largest Buddha statue depicts a female sage.

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

This Vietnamese bar doubles as a multistory labyrinth.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

This church is dedicated to the patron saint of seafarers.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

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

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

The Wright Tavern is possibly the most important building in Concord Massachusetts to the American Revolution.

An 80-year-old house built out of newspapers.

Concrete strongholds stand guard over the Golden Gate.

A living time capsule of the 1960s Richardson Bay water-front.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

This abandoned boat was left in place thanks to its rotting beauty.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

More than 700 species live within this murky marvel of a swamp on California's coast.