This lab's maddening silence is good for business but bad for sanity.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

On a college campus in the Oklahoma panhandle a museum honors the last piece of the contiguous United States to be classified as No Man's Land.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This fog-enshrouded, antique corner store sells individual slices of wedding-fancy layer cakes from a window.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

"Bug Bug" Land, a natural park for beetle watching, still hasn't fully recovered from Fukushima's nuclear disaster.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The divine septet of Japanese fortune gods are rendered in 1,000-year-old wood at this peaceful site.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

This 20th-century mansion plays a key role in one of Puerto Rico's greatest novels.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Mesoamerican monoliths and zoomorphic stones covered in royal visages, ancient mythology, and grand celestial events.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

The castle still holds traces of the abandoned Roman fort it was built atop.