This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

A cave's rare beauty held a cavernous secret hidden underground.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This is one really big nut.

Home of the International Space Hall of Fame.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

This mountain tram provides stunning views while hanging from a single, steel thread.

Folklore and history carved into Brittany's coast.

Singapore's landscaping project is home to 18 incredible Supertrees.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

This dangerous-looking suspension bridge may have been too unstable to remain open.

Giant relaxing Buddha in Malaysia.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

A beautiful 62-acre Catholic shrine and botanical garden.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A museum dedicated to the history and exploration of both popular music and science fiction.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

France's national museum of scientific and industrial instruments.