The world's longest covered bridge is a quaint and incredible wooden tunnel.

Impossibly life-like natural history models created out of glass by a father and son.

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

This impressive Boston holy house is the American mecca for Christian scientists.

An enormous, inside-out glass globe built in 1935.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

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

Narrowest house in Boston.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The most decorated dog of World War I is preserved in the Smithsonian.

America's oldest archaeological site or a muddled case of wishful thinking.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.

This massive solar system model is sprawled out across Maine's suburban wilderness.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

A strange mark in the stone fence of a cemetery fabled to have been made by the Devil himself.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.