Places hannahhillam Wants to Go

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The largest greenhouse in the world is home to over one million types of plants.

The artist David Nash planted a circle of trees in 1977.

These haunting ruins belong to an ancient village that once had one hell of a view.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

The decaying ruins of Wales' first asylum for the mentally ill.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

Step into the cool deep past and unknown future of who begat who.

Faceless white figures loom over the city from the rooftop.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

With the touch of a button, you can read a randomly selected short story.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

Gold Rush-era tombstones line the park's paths.

A 300-ship graveyard, with a few still visible at low tide.

Visible below the waves are memorials to the city's Gold Rush dead.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.