The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

Narrow slot canyons in a badland eroded into soft sedimentary rock provide an otherworldly landscape in this remote Nevada state park.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

Even Henry David Thoreau found this glacial pothole irresistible.

An emerald-green grotto just a short trip from Austin.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

This historic castle is one of the oldest and most impressive in all of Japan.

Dramatic river bend surrounds a natural red-rocked pedestal.

You feel like you're in a forest, but you're actually walking amidst the branches and trunks of a single giant tree.

One of the few places in the world where visitors can walk alongside fossilized tracks from 80 different dinosaur species.

Divers can encounter an abandoned warship encircled by a giant kraken submerged in the British Virgin Islands.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

An assortment of armored tanks and Howitzer cannons in the middle of the Sonoran Desert.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

Explore a real 19th-century lead and zinc mine at this immersive series of exhibits.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

An abandoned munitions storage facility with a rich architectural history.

The first and only carousel with a lineup entirely of insects.

These conical kilns measure an impressive 30 feet in diameter, and were once used to produce charcoal for a local blast furnace.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.