L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A blast from the past in central San Diego.

This historic graveyard was partially paved over to create a streetcar line.

The subterranean sanctuary home to local shamans is a sacred site for people of all religions.

This feature of the city's aqueduct has achieved numismatic fame thanks to its appearance on Mexican banknotes.

This colonial-era hospital chapel is now a foyer and side entrance to a popular department store.

This former 17th-century church now houses a university's public library along with several mural masterworks.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

Along with used instruments, this pawn shop has pieces of music history on display.

A historic hotel with many stories of haunted activity.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

Island of trash twice the size of Texas floats in the Pacific.

At the base of Steens Mountain resides an otherworldly desert.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

Tucked away in a secluded canyon, this hidden hot spring’s thermal waters have been soothing soakers for generations.

A 40-foot waterfall hidden in a desert oasis.

Once a Catholic mission, this small town tucked between the ocean and the mountains is now a magical spot for art and history lovers.

This bridge provides safe passage for squirrels.

Orcas on display and in the water.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

These otherworldly caverns form Earth's oldest known cave system.