The restored and active Victorian-era final resting place of San Francisco.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The trials and tribulations of marking Poe's grave.

A museum dedicated to exhibiting remarkable outsider art.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

These old doors are covered in the signatures of Rehoboth Beach artists dating back to the 1930s.

The oldest living tree in Manhattan comes shrouded in sinister legend.

This massive sycamore tree has been labeled as one of the largest in the state.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

A massive white oak tree provides a beautiful canopy near a suburban shopping center and stood before the signing of the Constitution.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Mysterious rocks that ring musically when struck.

A computer bug so primitive it was an actual insect.

This taxidermy horse was a Civil War hero.

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

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

A piece of the Ludendorff Bridge, also known as Remagan Bridge, calls this military base home.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

Exact replica of the ancient monument, but much, much lighter.