Home to a forest of whimsical pygmy Coast live oak.

Dedicated to one of the most successful boxers to compete in the heavyweight division.

The trials and tribulations of marking Poe's grave.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

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

These markers are used to document elevation changes around the famed dam.

Where a staggering 747 ships were constructed during World War II.

An optical illusion found amid a logged redwood forest.

The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.

The penultimate and final resting places of British General Edward Braddock—minus a few bits and pieces.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Canyon walls shrouded in ferns.

More than 700 species live within this murky marvel of a swamp on California's coast.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

A house built from trash known as the poor man's Hearst Castle.

A local dialect born in the late 19th century is only spoken in this isolated California valley.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

California's longest-running tourist attraction is a stump.

A volcanic cone that formed over 600 years ago.

A natural dome made of volcanic glass in Inyo National Forest.

A 19th-century cabin built into a hollowed-out Sequoia tree.