Places madisonc1094 Wants to Go

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

This historic national park is covered in the stunning ruins of red rock pueblos.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A sharp bend in a dramatic river canyon cut through red rocks.

Most-visited and most-photographed slot canyon in the American Southwest.

See massive fossils that are over 200 million years old in northeastern Arizona.

Rippling sand dunes frozen in the Arizona rock.

This whimsical stacked cabin looks like something out of a children's book.

Erosion and time have created a naturally-formed water park.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

One of the deepest springs in Missouri.

A 40-foot waterfall flows into this unique natural swimming hole.

A historic, scenic mill that was forced to close due to overlogging.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

Unique tower has outlasted a takeover of the company.