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

This legendary urban waterfall creates a dazzling display of rainbows.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

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

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

With a history dating back to Victorian times, this architectural gem is a rare New York tourist haunt worth visiting.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

The oldest continuously inhabited street in America.

"A hideous albatross in the Hudson River Valley."

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The Hudson River School comes alive at this palatial estate.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

This public art pays homage to the baseball legend and civil rights icon and his time in Montreal.

This 35-foot troll in Jackson Hole, Wyoming, was made by the world’s leading recycling artist as part of a global fairytale.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.