A serene temple with stunning stained glass hides in downtown Dallas.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

This replica of the Greek structure is in the heart of Nashville.

The beauty of urban decay, hiding some dark secrets.

Tour the sci-fi-esque reality of governmental disease management.

A rocky face gazes out over an enormous volcanic crater.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

A completely underwater art museum sends a stark message about humans' impact on the environment.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

Neo-cave art on the macro scale.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

Once considered a marvel of engineering, there are now doubts about the structural integrity of this 5.4-mile cable-stayed bridge.

This everlasting lightning storm may be the world's largest generator of ozone.

Shop the world's largest number of ice cream flavors, ranging from delightful to downright bizarre.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.