Whimsical sculptures and caves chiseled by nature over the millennia.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

An outsider folly near Madrid.

Images of neighbors past and present guard the streets of this charming alpine village.

Numerous sculptures set along hiking trails symbolize and idealize the relationship between man and nature.

To fit bodies into this Renaissance crypt, they were first left to decompose in the crypt's rotting room.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

One of Europe's largest supercomputers is housed inside of a disused chapel.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

The mummified relic of St. Antoninus.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

This museum is rotten with a century of wax medical deformities.

The largest and most famous wax anatomical collection anywhere in the world.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A wunderkammer of exoticism immortalized by Tom Waits.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.