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

This unusual lava tube spouts seawater during high surf.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

The oldest active mini golf course in the U.S. has an elegant Art Deco style filled with lush tropical plants.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This Viking-inspired miniature golf course features a pirate ship and views of Icelandic landscapes.

Three playfully immersive mini golf courses let you travel alongside your ball to the cup at this facility, which has been around since the 1950s.

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

One of the oldest surviving Swedish-American homes in the United States.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

In Little Caribbean, an ice-cream shop serves up regional flavors, including soursop, Irish moss, and "greatnut."

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

These fantastically named natural pools look like something out of a Scottish myth.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.