A stairway to heaven, or to nowhere at all.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

The only visible piece of San Francisco's most famous shipwreck.

A modern mechanical planetary system, part of a 10,000 year clock.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A whimsical antique shop with a strong air of mystery, filled with items from ages, and what feels like worlds, past.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

A free, public museum dedicated to the fascinating science of sight.

A monument to the love people have for their pets.

An unassuming grey box sitting on San Francisco's Pier 17 is a "sky diary" of the coastal city's temperamental weather.

A promotional sun clock on the site of San Francisco's great raceway.

Art in the form of a winding, man made crack in stone.

California's most comprehensive horticultural library.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

Russian history in San Francisco.

The restored and active Victorian-era final resting place of San Francisco.