New York, New York
Sidewalk Subway Map
Plot your trip through the city on the sidewalk.
Places I've been
Places this traveler has marked as been there.
New York, New York
Plot your trip through the city on the sidewalk.
New York, New York
A bit of retro transportation flair preserved in the world's largest department store.
New York, New York
This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.
New York, New York
The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.
New York, New York
A celebration of capitalism in Midtown.
New York, New York
Mysterious 500-year-old tapestries depict a unicorn hunt.
New York, New York
A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.
New York, New York
A room in New York City that contains 250 cubic yards of dirt.
New York, New York
A hands-on traveling collection of the innovative devices of yesteryear.
New York, New York
New York City's smallest piece of private property.
New York, New York
Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.
New York, New York
Elevated freight railway turned wildly successful urban park.
New York, New York
Tucked in the back of this amazing antique store is an important piece of medical history.
New York, New York
La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.
Breckenridge, Colorado
A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.
Manitou Springs, Colorado
A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.
Arvada, Colorado
A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.
Moab, Utah
The fifth-longest natural arch in the world, and the longest outside China.
Denver, Colorado
The huge collection of paintings of the American West is one of Denver's best-kept secrets.
Manitou Springs, Colorado
These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.
Rye, Colorado
The largest self-built castle in the U.S., six decades in the making.
Mesa Verde National Park, Colorado
The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.
Monticello, Utah
One of the world’s largest collections of petroglyphs records 2,000 years of human activity.
Teec Nos Pos, Utah
The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.