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

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

Eighteen miniature death-scene dioramas.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

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

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

A clone of a cloned tree that was so important it allegedly had its own guards.

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.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

An astounding collection of medical specimens, including bits of President Lincoln.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

A local prank turned town icon.

An office built to look like a giant basket.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Legend says the horned lizard spent 31 years sealed in a time capsule before he was discovered alive.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

What began as an art installation is now the private drinkhaüs for a brewery's employees.