This whimsical home made entirely from clay is basically a giant piece of pottery.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

The Andean town where every single building is decorated with a brightly colored frieze.

This picturesque mansion has gone from opulent ruin to nature museum.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Location of a reliquary containing bone fragments of 18 saints.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Yo, Adrian!

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.