The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The final resting place of a space program monolith, soon to be unveiled again to the public.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Shop selling 500 flavors of soda has something for everyone.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This poignant display is now a memorial to these regionally extinct species.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

No monkeying around, this fountain was really named after the classic sci-fi film.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

This impressive scene portrays the elusive forest giraffe of Central Africa.