The location of the last stand of Charles Manson's doomsday cult.

This old mining town, deep in the California desert, has a year-round population of one.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

This historic fountain is a favorite neighborhood meeting point.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

Commonly acknowledged as the only public monument to the Devil himself.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Recently celebrating its 25th anniversary, the garden opened in September 1997 to celebrate the men and women who have had the greatest impact on Key West.

A historic landmark and museum filled with curious objects representing the history of Key West.

A historic presidential getaway on the continental United States' southernmost island.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

The highway's southernmost spot is a beloved local attraction.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A unique collection of Western and Japanese-style graves.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

This World War II-era bunker is now packed with posters and props from movies and TV shows filmed nearby.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This unusual lava tube spouts seawater during high surf.

Race through the maze, get your name on the sign.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.