This blowhole is supposedly caused by a trapped monster.

This former luxury resort in Kaua'i is now an abandoned relic.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This black shoreline is made up of exploded lava particles.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A controversial memorial at the place where Captain Cook met his violent end.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

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

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Perhaps the most scandalous statue of America's first president.

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

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

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

A nostalgic bibliographic gem.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.