A free library to stumble across, one of many placed worldwide if you know where to look.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Magical-looking cottages that inspired one of the most famous animated films ever.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

This glamorous old building is said to have inspired the Tower of Terror.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

New York City's smallest piece of private property.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A very classy 1920s-era bar right in Grand Central Station.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

One part local history, 99 parts gruesome haunted house.

The "Seinfeld" diner.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Ride the subways of yesteryear.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

A battle between nature and architecture in the Cambodian jungle.

Founded by French colonists in 1919, this mountain resort has been transformed into one-of-a-kind theme park.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.