A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

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

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

A tunnel of hardened lava along Maui’s famous Road to Hana.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This black shoreline is made up of exploded lava particles.

This grand mansion has starred in everything from Bones to Buffy.

A ghost town at the airport is now a refuge for blue butterflies.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

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

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Make your reservation to have coffee with some kitties.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

All aboard the world's longest miniature railway.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A theme park attraction designed to turn your children into LARPers.

Eternal resting place of the grave robber and murderer who served as inspiration for many of cinema’s famous madmen.

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

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The center of the only hemisphere that awards visitors with a commemorative coin.

Wisconsin's most celebrated export gets the royal treatment on I-94.