One of the largest collections of socialist realist art shows the surprising depth of the official art of the Soviet Union.

The oldest building in Vancouver's Chinatown is now home to one of Canada’s largest contemporary art collections.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A temple to modernity, tucked away amid Barcelona's more well known museums.

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

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

New York City's smallest piece of private property.

A dilapidated dock tells the story of Titanic's missed arrival.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A botanic garden full of trees twisted into fantastic shapes and positions.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.