Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Next to Salt Lake City's Assembly Hall stands a tribute to some unlikely heroes of early Mormon settlers.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

A tunnel with windows, so you don't miss out on the impressive views.

Not your typical pet cemetery.

This small cemetery remains hidden behind a recreation center.

One of the last schoolhouses constructed in the early 20th-century still standing in Montgomery County.

This three-story Victorian mansion is now home to the National Park Service’s Historic Preservation Training Center headquarters.

Historic barracks utilized during both the Revolutionary War and the Civil War.

This suburban park recalls the history of a famous tavern. Despite the name, it's no ordinary place!

Tiny observatory made big contributions to the study of the Earth's motion.

This one-room doctor's office has been moved twice, and now lives on as a museum.

A former pillar of the Black community in Ellicott City.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

One of the first Second Empire-style buildings constructed in North America.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

George Washington once stopped by this house for dinner.

This Georgian-style house built in 1746 is the oldest surviving structure in Bladensburg.

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

The former home of Lillian Evans Tibbs and her grandson, Thurlow Evans Tibbs Jr., whose prodigious contributions to music and art spanned more than 90 years.