Though its celestial ceiling is impressive, the true star is the vast collection of French books.

A former utopian healing center created by a huckster and built by derelicts.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Terrifying derelict military hospital once housed a recuperating Hitler.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

When you can afford only half a road, you build only half a road.

A common entry point to the Griffith Observatory trail holds its own wonders.

L.A.'s oldest operating bowling alley is a beautifully restored homage to its speakeasy days.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The middle finger of modernity.

Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.