This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

Pay your respects to departed pets, both celebrity and otherwise.

A science teacher's dream.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A collection of weird and wonderful art fills a former houseplant nursery.

In 1977, wealthy socialite Sandra West was buried wearing an elegant white nightdress while reclining comfortably in her powder-blue 1964 Ferrari.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

An Industrial Revolution-era public work that purified water using nothing but sand.

A super-sized promotional trick that is now a D.C. landmark.

The national park was once a plantation estate.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The most decorated dog of World War I is preserved in the Smithsonian.

There’s a hidden military meme engraved on the World War II Memorial.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

A wondrous old library overlooking the nation's capital.

A historic neighborhood church is reborn as a psychedelic arts collective.