This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

This private home is famous for appearing in the cult-classic "Twin Peaks" series.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

The massive machine creates cracking displays of indoor lightning.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

After four years of grasshopper plagues, this chapel was erected as a plea to God to make them end.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

When waves crash onto this section of beach, the rocks sing a song.

During World War II the Thorp building was guarded by the OSS, FBI, and US Navy because of the top-secret bombsight being produced there.

Where the notorious gang lived while on the run from the FBI.

The world's largest sticker ball weighs in at a mighty 231 pounds.

Hollowed out cedar log tubs set in an ancient towering forest.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

The building was originally a gas station built to resemble a Japanese tea house.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

More than 150 snowmobiles fill this Michigan museum.

A riverside park built around the ruins of a massive dam that collapsed in 1909.

The world's tallest turtle riding the world's largest snowmobile.

The final resting place of the living embodiment of the famous Forest Service symbol.