Hoax, mistake, or evidence of dinosaurs in human times?

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

A small town Romanian cemetery filled with darkly humorous gravestones.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

A vast, otherworldly collection of Buddhist stupas.

These broken shards of ancient ruin may hide an ancient pyramid.

This beautiful, historic church looks like something out of a simpler past.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

A huge Megalithic chamber tomb located behind a cafe.

A chapel on a volcanic core, marking the end of a successful journey.

Natural mummies hidden in the crypt of a medieval French church.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

The world's largest historic armory was established by independent citizens to defend themselves from the wars of larger forces.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

The so-called "world's shortest river" is actually a window into a cave.

Glacial erratic or man-made dolmen? It probably wasn't druids.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

A natural gas leak provides a flickering flame beneath a waterfall.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

The highest point in Washington state is a volcano covered in glaciers.