Places Bunnyslope Wants to Go

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

An eclectic trailer park retreat in the middle of the California desert.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

A winding path built in secret on the edge of the continent.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

London's smallest police station is barely the size of a phone booth.

An artsy hidden staircase leads to breathtaking views of San Francisco.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A room hidden behind a swinging shelf in the children's section.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.