A gothic church spire sits atop this skyscraper, the tallest church in the world.

The world's largest military aircraft cemetery.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

A Bibliophile's Dream.

The 606 is a decade in the making.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Every autumn, this hillside is ablaze with red summer cypress.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

148 feet long and in the middle of a verdant forest.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

Fire meets ice at the southernmost volcano on Earth.

Rising from the sea like a stone monster.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an eighth-century Buddhist master.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

Rippling sand dunes frozen in the Arizona rock.

Walk 2,300 feet above the ground on the "Troll's Tongue."

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

One of the world's largest salt caves is filled with fragile salt sculptures, salt rivers, and huge salt megadomes.

A massive underwater sinkhole made famous by Jacques Cousteau.

Towering basalt columns, a creation of fire and ice.