Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

An emerald-green grotto just a short trip from Austin.

A plaque outside the San Jose airport commemorates the insect's arrival to the West Coast.

The first declared National Monument in the United States.

The roadway bend where highway painters practice their craft looks like expressionist art.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

The unusual burial monument of Arizona's first governor.

The biggest solar telescope in the world helps reveal the secrets of our sun.

This giant steer-skull edifice refuses to die.

A heavenly experience, right here on Terra Firma.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

Indents in the pavement are all that remain from a grisly death machine in Paris.

How did a French journalist’s grave become the sexiest statue in the cemetery?

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.