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

This black shoreline is made up of exploded lava particles.

The largest retailer of seashells in the world.

A building so large that it has its own weather.

A circus legend leaves an unexpected endowment.

A monument celebrating the idea of reaching inaccessible places.

Florida castle built with aluminum printing plates.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A parade of antique steeds offers a quirky ride through history.

This small-town pizzeria won the Hollywood lottery.

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

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The highest bridge in America was built for an almost unnervingly small amount of money.

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

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

Where Venice's gondolas go for a tune-up.

The only museum with its curator—and her pets—buried inside.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

Architectural monsters are devouring this palace's every door and window.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."