Places gotajeep Wants to Go

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

Remnants of a storybook amusement park hidden behind a strip mall.

At the birthplace of American railroading, a world-class collection of historic trains.

This four-story steel sphere in Maryland was used to test biological weapons.

The longest-covered bridge in the state of Maryland.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

This massive swimming pool is the high tech home to the human-powered submarine races.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

The world's oldest continuously operating airport was founded by the Wright Brothers.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

An abandoned church gets a second life as a massive beer hall and event space.

A priceless collection of the Nation's cryptologic history.

A local farm's collection of unusual structures from a now defunct storybook amusement park.