This unassuming North Austin neighborhood was built to test the novel idea of home air conditioning.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

This museum explores the history of the book, from scrolls to mass-produced objects through tools, stories, and massive cast-iron binding machinery (some of it operational).

This lush 12-acre site was once named the finest Japanese garden in North America.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

The infamous Boston Mob ran rackets from an office here in the 1970s.

$10,000 won in a poker game in 1884 allowed James Draughon to build this intriguing home.

At HopCat, a marker honors fictional creatures with the ability to travel the missing dimensions of Kcymaerxthaere.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

These subterranean storage areas hold emergency water reserves.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

A natural history museum with an extensive collection of bird dioramas.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

This historical art colony is adorned with thousands of hand-carved concrete sculptures in the Mayan Revival style.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

This sculpture forces visitors to confront their relationship with space.

Visitors come from all over to bring gifts and tokens to the grave of Alice, who is thought to have died of a broken heart.

On a wall in Cleveland, Ohio find the story of a highly connected fictional community of organisms that created remarkable, lasting structures.

Artifacts fill the old headquarters of the hugely influential political movement to ban alcohol in the United States.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

The hallowed remains of a 900-year old Ancestral Pueblo great house.