A huge musical instrument played by the ocean.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

This abandoned subway station can still be seen on regular commuter trips.

The rough and tumble president's childhood home displays the shirt he was once shot in and the speech that saved him.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

This Stockholm light tower can be controlled by anyone with a smartphone.

3/4-scale model of the White House in Atlanta, Georgia.

Try not to get slimed in Tribeca.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

Small museum dedicated to the founder of electromagnetic theory.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

This space rock fragment is one of the only meteors to have ever struck a human.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Home to items never before seen by the public.

This award-winning men's bathroom was just too beautiful to not allow women to see.