An old slaughterhouse now holds the largest collection of pig artifacts.

An emporium for the weird, creepy, rare, and just plain gross.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

Believe it or not, this is the final resting place of the man who created the Odditorium.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An abandoned Victorian house transformed into a museum and store filled with taxidermy and vintage goods.

The first piece of public art dedicated to LGBT rights.

This stone is a marker of one millionaire's personal vendetta against gravity.

This collection of ferns from across the globe is the largest assortment in the United States.

Avant garde house of Pierre Cardin on the Cote d’Azur.

This 16th-century monastery has been turned into a surrealist architecture compound.

This North African stone complex is considered to be the oldest astronomical observatory on Earth.

This intricately spiralling forest was created as a monumental work of art.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

North America's oldest authentic African Village.

The magical, mossy forest that inspired Princess Mononoke.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

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