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

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This elaborate towering structure was once famed for its revolutionary height.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Journey inside the bowels of this sperm whale sculpture.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This sculpture commemorates the first instance of an American president pardoning a turkey.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The home of an antique carousel still in operation.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Designed as a place for patients to take in the scenery, this tower has a dark history.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

A 30-foot man on a penny-farthing bicycle rides along the banks of the Mississippi.

Millions of dollars worth of sculpture decorate this Iowa city center.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A monument celebrating the idea of reaching inaccessible places.

A community of collapsing homes more than a mile out from the Florida coast.

A chessmaster's dream destination.

The world's largest collection of the world's largest objects is in one small Illinois town.

Massive still life just off the highway in Kansas.