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.

Elvis's own personal tropical hideaway.

Mexican food and folk art.

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

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

The palatial McDonald's that inspired Wesley Willis.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

These sprawling mines once served as a source of plaster and today serve as a storage facility.

The museum moved on, but the diorama remain.

With over 5,000 champions, the Hall of Fame continues to draw amateur eaters.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This turn of the century masterpiece has a mysterious goaty interloper.

The best place in the park to test out your throwing arm.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Its buzzing collection honors vibrator history.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.