A hidden "place of interment for gentlemen."

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

A tiny piece of the Moon is embedded in this stained glass masterpiece.

Experience a charming 1930's version of "infotainment."

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

One of the indelible moments of the American Revolution took place at this location.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The "lovely red Vega" of the legendary record-settling pilot.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

Ozymandias’ time-keeping temple.

The first pet cemetery in the United States.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

One of America's most historic homes also holds a startling literary legacy.

The preserved house of a jazz legend still echoes with his music.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

It's not a typo, now say it five times fast!

This famous city eluded concrete detection until the early 2000's.