One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

The latest in a series of long glass bridges suspended at terrifying heights.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

The world’s tallest outdoor lift stretches along the stone pillars that inspired the floating mountains in the movie “Avatar.”

An all-female order shares an ancient culinary art with visitors at their mountaintop monastery.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Ask nicely, and stewards of a centuries-old charitable tradition will give you free bread and beer.

A Swedish farm is the world's only producer of the rare, creamy delicacy that is moose cheese.

This French Canadian classic is a specialty of the oldest continually used church in Minneapolis.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

This unique sculptural clock transforms into a periscope every hour.

Mysterious glowing orbs float through the desert night.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Deep below the dry landscape of Bahia, a cave with intense blue water to float in.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

New England's tallest light house stands on an island with a history of cannibalism and death.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The grave of Mary Nasson is shrouded by witchy legends.