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The indoor pool.
Liberty, New York

Ruins of Grossinger's Resort

This once luxurious Catskills resort is now a haunting ruin.
41.7900, -74.7279
Baltimore, Maryland

George Peabody Library

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."
39.2972, -76.6150
Concrete City
Nanticoke, Pennsylvania

Concrete City

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.
41.1892, -75.9761
Bowden Spacelander
Pittsburgh, Pennsylvania

Bicycle Heaven

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.
40.4563, -80.0324
Quicksburg, Virginia

American Celebration on Parade

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.
38.7155, -78.6693
City Methodist Church
Gary, Indiana

City Methodist Church

This stunning gothic ruin was a casualty of the Indiana steel industry crash.
41.6005, -87.3384
Hudson River State Hospital
Poughkeepsie, New York

Hudson River State Hospital

This mouldering abandoned mental hospital was once a center for progressive healing.
41.7332, -73.9283
Crown Fountain
Chicago, Illinois

Crown Fountain

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.
41.8816, -87.6242
Grotto of Evil Spirits
Sevierville, Tennessee

Forbidden Caverns

Crazy lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.
35.9042, -83.3468
Fall Creek Falls State Park. (Wikimedia Commons)
Pikeville, Tennessee

Fall Creek Falls State Park

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.
35.6565, -85.3500
Quite a collection
Winamac, Indiana

World of Motorcycles Museum

A large collection of motorbikes with some impressive gems.
41.1579, -86.7725
Seen here against the backdrop of the Monon Trail bridge, Rainbow Bridge is the main method of transit for cars crossing White River via Broad Ripple Village
Indianapolis, Indiana

Painted Rainbow Bridge

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.
39.8713, -86.1429
The Ruins
Indianapolis, Indiana

The Ruins

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.
39.8711, -86.1612
Inside the trolley
Windber, Pennsylvania

Windber Trolley Graveyard

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.
40.2371, -78.8166
Florence Y'all Water Tower
Florence, Kentucky

Florence Y'all Water Tower

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.
38.9977, -84.6479
Aristes, Pennsylvania

Centralia

A toxic ghost town sitting atop a massive coal fire.
40.8042, -76.3409
The statue seen from the banks of the river.
Harrisburg, Pennsylvania

Harrisburg's Mini Statue of Liberty

A local prank turned town icon.
40.3583, -76.9298
Looking down the alley
Baltimore, Maryland

Graffiti Alley

A hidden alley in urban Baltimore is a haven for graffiti artists.
39.3115, -76.6188
McLean, Virginia

Patowmack Canal

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.
38.9976, -77.2541
Lawyer's Farm
Thurmont, Maryland

Lawyer's Farm

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.
39.5888, -77.3790
This is what you'd stand on before you start to break out in a cold sweat and say to yourself, "what was i thinking?".
Smithsburg, Maryland

Abandoned Hang-gliding Launch Pad

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.
39.6950, -77.5236
Fort Meade, Maryland

Forest Haven Asylum

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.
39.1053, -76.7756
Philadelphia, Pennsylvania

Philadelphia's Magic Gardens

Folk art environment, gallery space, and nonprofit showcasing the work of mosaicist Isaiah Zagar.
39.9429, -75.1593
Philadelphia, Pennsylvania

Eastern State Penitentiary

World's first "penitentiary," meant to be humane, drove men insane.
39.9673, -75.1737