These ancient monoliths make up one of the largest archaeological sites in Palau.

An isolated dive site teeming with cnidarians.

This WWII plane died a quiet death, and is now a garden eel playground.

Secret hideaway for an alternative beach experience.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Six miles off the coast of Key West, a former military transport ship is now one of the largest artificial reefs in the world.

A unique collection of diving equipment spanning antiquity to the present day.

The world's only underwater laboratory where "aquanauts" study oceanic life.

After a long career, a disastrous sinking, and a half-successful salvage, this Naval vessel-turned-artificial reef ended up exactly where she was supposed to—with a little help from nature.

An underwater statue of Christ blesses the depths off Key Largo.

Stay in a room with a view... of the bottom of the ocean.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

Sweet or salty, super hot or mixed into beer, this is the holy land for all things licorice.

This sculpture forces visitors to confront their relationship with space.

A walk through the historic city center, under the streets of Seattle.

Inside this curiosity shop, visitors can peruse the clown collection or purchase a molar from the mouth of Bigfoot.

"The House That Love Built" is shying away from "The House That Ghosts Love."

A fitting attraction for the corn capital of the world.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This small museum is home to some of the oldest and best-preserved dinosaur specimens found in Montana.

This town is home to the world’s largest arch constructed entirely of elk antlers.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.