Dr Barnes' $25 billion private collection of art and arboretum.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A terrific purveyor of natural history objects and curios.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Fantastic views and thousands of love locks.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

The oldest known university in the world is in Fez, Morocco.

God's Saharan sandbox of wrath.

Crumbling necropolis set high above Fez.

One of the most spectacular canyons in the world.

Relax on your veranda and watch the light show.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

A Buddhist theme park brings you a Buddhist version of Hell.