Historic site where Native American hunters once trapped and killed buffalo.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Orcas on display and in the water.

An outsider art duo's yard has been turned into a whimsical public gallery.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Site of the greatest known waterfall that ever existed.

Stroll through a wonderland of stupendous moss-covered trees.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The first declared National Monument in the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The United States Capitol's former columns still stand.

These unusual rooms on wheels are holdovers from the 1960s.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

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

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

One car at a time please.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A tunnel with windows, so you don't miss out on the impressive views.

The fifth-longest natural arch in the world, and the longest outside China.