An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This Florida arena, once host to "the fastest game in the world," has sat empty for 25 years.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This small primate research island is teeming with playing, fighting wild monkeys.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

Lucha Libre (Mexican Wrestling) themed taco shop.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.