The highest point in New Jersey is marked by a massive, if simply named, obelisk.

A centuries-old church stands as a testament to Boston's "father of architecture."

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

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

Two thousand artifacts from around the world collected by one woman who loved to travel.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This historic railway museum may have lost its passengers but not its love for trains.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Mysterious stone tower featured in many alternative histories of the New World.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This landmark cemetery in Boston was created more than 300 years ago.

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

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

An artist's cute bronze subway sculptures belie his violent artistic past.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Elevated freight railway turned wildly successful urban park.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

"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."

A Hawaiian stairway to heaven—that you can't climb.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.