A tribute to the life and work of the beloved "Peanuts" cartoonist.

A vast city of the dead, where the deceased outnumber the living by more than a million.

California's own majestic geyser is powered by a subterranean volcano.

Megachurch turned Catholic church comprised of 10,000 glass panes.

This massive redwood tree has a hole in the base big enough to drive through.

These unusual rooms on wheels are holdovers from the 1960s.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

The romance of early commercial flight still fills this Art Deco destination.

A former major munitions plant that has been converted into a sprawling art space.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

At 207 feet, one of the world's longest continuous escalators.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A giant Troll lurks under one of Seattle's oldest bridges.

A walk through the historic city center, under the streets of Seattle.

This well-traveled chess park offers scenic views of the pacific and a colorful, eclectic clientele.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Historic funicular railway, believed to be the shortest railroad in the world.