This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

Tiki luxury on Nob Hill.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Prove you deserve to be fed by Kenny Shopsin.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

An unassuming secret door once led to a legendary watering hole.

A very classy 1920s-era bar right in Grand Central Station.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A crumbling hospital from the 1850s on Roosevelt Island.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.