Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

Even Henry David Thoreau found this glacial pothole irresistible.

University of New Hampshire holds the documentation and artifacts of local alien abductees.

Stumps of an Ice Age forest, visible only at low tide.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

A museum dedicated to "science, history and the arts" little changed since 1915.

This is why we can't have nice things on the Incan Trail.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

This elegant arc of a waterfall marks a religious turning point.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

A daybeacon pyramid is about all that's left of this island that is said to have sunk due to a pirate's curse.

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

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Rock face that shares a name with Mary Shelley's famous doctor.

The American Home, Re-imagined.

Two groundbreaking brothers from Pasadena.

A large sculptural artwork and garden in Escondido, California.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

North America's largest accredited model railroad museum.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.