A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

The dishes at this restaurant by The Sioux Chef celebrate indigenous heritage.

A long and winding trail through history led to the current iteration of this mountaintop tower.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

The largest self-built castle in the U.S., six decades in the making.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This super steep hike ascends 2,000 feet in less than a mile.

Colorado's only true geyser is hidden within the San Juan National Forest.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

This interpretive path lets you get up close and personal with dinosaur bones.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

A kaleidoscopic warehouse-maze of handmade neon signs.

Malaysian fireflies create a dazzling display as thousands light up in unison.

A huge teapot illuminates a home for the elderly.

Anyone can control this glittery light installation with just a phone call.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

This copper-coated, multi-arched dome is surrounded by a moat and lights up at night.

Three hundred illuminated pillars form an “artificial forest” in Medellín.

These wondrously illuminated caverns extend under the mountains of the Fukushima Prefecture.

Bioluminescence in the reefs of the Maldives causes the sea to glow like a starry night sky.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.