The corporeal remains of Napoleon III's dentist rest under this 15-story obelisk.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

A field of nothing but boulders which resembles a giant's gravel driveway.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The oldest experimental corn field in America is still creating better ways to grow crops.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

In a town that's had a whole lot of giant chairs this one still stands tall, just not the tallest.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Books you don’t need in a place you can’t find.

The former textile factory is now an oasis for the arts.

An island graveyard with spectacular views of the Caribbean.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.