This abandoned amusement park was built on a site with a dark history.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A Roman spa buried deep beneath the City of London.

A small 19th-century graveyard tucked away in the middle of a suburban neighborhood.

This grand gothic brewery has been pumping out suds for over a hundred years.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Built in 1815, the stabilized ruins of the grist mill and sawmill are now gated, but interpretive displays on the features and functions of the mill preserve its history.

The historic home still shows the scars from a little run-in with the British in 1813.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

An Industrial Revolution-era public work that purified water using nothing but sand.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

One of the first Second Empire-style buildings constructed in North America.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

Meet some of the most prominent figures in Black history through life-sized wax models.