Travelers exchange letters with woodland creatures at this mini post office.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

An urban laboratory.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Locals believe the purity of this huge, untouched Arctic lake could be the salvation of human civilization.

An ancient Viking village in North America that predates Columbus by 500 years.

A small Canadian town founded as a refuge for Loyalists following American Independence.

A rare opportunity to drive across the ocean floor.

A mysterious spot where the laws of gravity seem not to apply.

Ancient indigenous sculptures steeped in history and shrouded in mystery.

Nestled near the mountains of western Canada resides this behemoth earth mover.

One of the final concrete ships built before World War II is now a crumbling breakwater.

The oldest building in Vancouver's Chinatown is now home to one of Canada’s largest contemporary art collections.

This country market harbors goats on its roof.

A crumbling cliffside ruin hidden in the woods.

The stunning remnants of this wreck emerge from an otherworldly backdrop of rainforests.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

A renegade art installation in a small Vancouver park is now officially sanctioned by the City Parks Department.

This expansive bridge in the Canadian wilderness was originally just built for friends.

This ghost-town bar has bullet holes and plenty of stories lurking within its walls.

First flying reptile discovered in British Columbia was for years forgotten in a cabinet.

America's first federal monument.