Places Milo Vella Wants to Go

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A gargantuan crystal kingdom.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

19th century tunnels burrowed under Liverpool.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

Abandoned 18th century weapons factory in the Aezkoa Valley.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

"Alleys of Stone" form natural mazes in Spanish natural park.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

This crescent-shaped sliver of sand is a magical haven for a herd of feral horses.

On Japan's Tashirojima Island, cats are king.

Avenue of trees planted by cosmonauts before their space departures.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

A collection of abandoned typographic signs from Berlin and beyond.

Walk over a 150 year old manhole.

A museum dedicated to the exploring past, present, and future innovations.

Condemned US Navy seaplane control tower turned officers’ club sits atop Yerba Buena Island.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.