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

A bizarre roadside attraction and the first instance of miniature golf in the world.

The tragic death of 19-year-old Mabel Tainter in 1886 led to the construction of this unique Victorian-era theater in the northern woods of Wisconsin.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A bizarre house filled with an astounding array of collections.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A burial ground for workers at one of Hawai'i's largest sugarcane producers that laid buried for decades.

A unique collection of Western and Japanese-style graves.

Watch the newest land on the planet form before your eyes.

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

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The world's largest aggregation of great white sharks is at a mysterious spot in the middle of the ocean.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

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

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

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

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.