The development of this cliffside waterpark is representative of Mexico's history of co-op tourism developments.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The world's first combination ski slope and power plant.

A tunnel with windows, so you don't miss out on the impressive views.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Travelers exchange letters with woodland creatures at this mini post office.

A storybook European village in Berkeley.

On the Oregon coast there is a natural hole that seems to be draining the sea.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

An abandoned Cold War missile radar site.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

The world's first ice hotel is still one of the most elaborate and beautiful.

A psychedelic labyrinth on the San Francisco bay.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The first park built over a freeway is a brutalist masterwork.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A man-made island in scenic San Francisco Bay.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Less a museum than a bizarre fantasy world created by artists and engineers.