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.

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

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

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

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

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

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.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

Operational for less than a year, this mill produced more than 11,000 tons of chrome concentrate in its short lifespan.

Mining caused an asbestos emergency in this small town.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

This museum is dedicated to telling the story of dinosaurs from a creationist perspective. 

The shortest river in America flows for just 201 feet.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

After Havre burned down, the best place to build was under the ashes.