A non-native grove of 241 redwoods in Southern California.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A rather vulgar example of the transition from Latin to the Italian vernacular.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

Every equinox this Maya pyramid puts on a spooky ancient light show.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

This beloved roadside attraction welcomes visitors with his signature neon smile.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

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

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

A sharp sculpture made of thousands of pieces of jagged glass.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The world's most active stratovolcano is almost always erupting.