Water of undetermined depth has attracted rare fish and cult leaders alike.

There's light and a dreamlike panorama at the end of this tunnel.

The arch marks the beginning of the road for northbound travelers.

In this small strip mall resides the largest collection of original art from the famed TV artist.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

This Tudor-style mansion is home to the first roadside confectioner in the United States.

Proceeds from this colorful teahouse in a historic Atlanta neighborhood directly fund women’s education in northeast India.

This magical oasis in East Texas is one of the most biodiverse acres in the country.

Every summer, this shrine sets up a tiny drinking fountain reserved for thirsty apians.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Tubing through a cave lit with glowworms is a magical underground experience.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

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

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

These eerie outliers of the lightning bug family glow a mysterious blue color.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

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

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.