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

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The loneliest island in New York.

An obscure waterfall that looks like something out of a fantasy novel.

One of the ghostly stops along Route 66.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Prehistoric animals decorate this popular outdoor park.

San Diego's most historic and haunted home.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The Grand Canyon of Texas.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Museum dedicated to awful artwork.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Half of a waterfall goes into the river while the other half seems to disappear.