Radioactivity still cause for concern at this urban explorer's paradise.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Peace Park and the Atomic Bomb Dome.

A Japanese corporation has turned this small island town into living modern art gallery.

This garden is very fertile.

Malibu's first beach home features an astonishing trove of ceramic tiles.

Frank Lloyd Wright died a year before construction on his largest public project even began.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

This 19th century train workshop is a treasure trove of railroad history.

The first park built over a freeway is a brutalist masterwork.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

When it opened during the final years of the embargo, all the drinks and cigars were free.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The only surviving prototype for Buckminster Fuller's house of the future.