This innocent-looking townhome is actually a subway exit.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A ruined hotel with an unlucky history and an eerie present.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

The illuminated falls are a gem in North Cascades National Park.

Silver in the hills led to the speedy creation of this boom town and a lack of it saw the town abandoned nearly as quickly.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Dr Barnes' $25 billion private collection of art and arboretum.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

This spectacular track has run continuously since 1882.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

An abandoned asylum where patients have been forgotten but their possessions remain.

Commonly referred to as the most photographed Victorian home in the United States.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

"The House That Love Built" is shying away from "The House That Ghosts Love."

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

This little museum in the town where zombies were born celebrates the living dead.

One of the now-less-hidden floral gems of the "Emerald Necklace."

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.