The ruins of this temple were later chosen by Pope Celestine V to found an abbey and a hermitage.

Explore the art and history of intricate, hand-crafted tile designs at this small museum.

Thermal springs underneath the seabed provide the heat and bubbles for these beachside natural hot tubs.

Some big-name visitors have patronized this small-town library named for an oil man's daughter.

Here, visitors can swing with the waves of the Pacific Ocean.

The remains of a convent turned military barrack in the heart of Madrid.

Admire dozens of life-size animals made from old scrap metal, nuts, screws, and valves.

The San Andreas Fault spectacularly offsets this creek.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Templar knights fleeing persecution are said to have left this sword in stone as a landmark in 1307.

This small church is surrounded by a landscape filled with hidden Zapotec ruins.

This hermitage spanning an Italian river gorge draws pilgrims hoping to heal ailments like arthritis and migraines.

This modern work of art was a refreshing addition to one of the oldest theatres in the city.

Though this large circular site is now named for the legendary king, its history dates back to the Neolithic era.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

You can only access this hermitage by crawling under a ledge suspended above an overhang.

Follow lines from a W.B. Yeats poem through interconnecting gardens designed to appeal to each of your senses.

It's beautiful, it's haunted and its claim to fame is that it's the oldest existing stone arch bridge in Australia.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

A winery built on the site of a Gallo-Roman estate uses historical tools to recreate ancient vintages.

A small museum dedicated to taking the taboo out of all things related to poo.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

The history of drinking is told through 1,800 cups, chalices, and glasses at this exhibit.

This 15th-century structure had a long, tortuous journey to its current location.