Stockholm's last remaining paternoster elevator.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

New York City's smallest piece of private property.

The classic Atari game's iconic aliens have invaded downtown San Diego.

A steampunk airship "floats" above Hamilton Gardens delivering plants and compost.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

More than 21,000 images fill this overlooked gem of a prehistoric site.

This isolated airport in the middle of the Everglades sees more alligators than planes.

Almost half-way between the Equator and North Pole.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.