This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

Vibrant street art created with mixed media.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

A contemporary art installation housed within a Gothic cathedral.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

An architect's childhood fantasy treehouse made real.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

Home to the deepest rift anywhere on Earth.

Supposedly Satanic numbers adorn this preserved submarine sail.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

An obscure waterfall that looks like something out of a fantasy novel.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

An institution that preserves the history of institutionalization.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

An abandoned 19th-century hospital now swirling in ghost stories.

A town's monument to a touch-football victory 50 years in the making.

A whimsical bridge adorned with decorative dragons.