A New England curiosity cabinet, one hundred years on.

One extremely determined man's homemade universe.

This state-of-the-art planetarium takes architectural inspiration from the sun itself.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

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

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

An award-winning children’s garden enchants visitors at the intersection of natural beauty and fairy tales.

A mailbox that saved a nature reserve.

The final resting place of Gary Gygax; co-creator of Dungeons and Dragons.

An actor's tribute to a former mentor.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

Houses are tucked between, on, and underneath giant boulders.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

Two creeks flow out of either end of this canyon in opposite directions.

A remote sandstone plateau named for a legendary cattle rustler.

Unlike most arches, this geological oddity formed in a volcanic dike.

A river runs through this remote valley in a very unexpected way.

A unique arch graces the Dolores River Canyon near the Hanging Flume.

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

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.