This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A tombstone on the grounds of the royal castle marks the burial site of a Swedish king's beloved dog.

You'll find just about anything in this funky Tbilisi flea market.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

This mesmerizing, colorful structure looks like a tent made from stained glass.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A whale of a public art display towers atop Juneau's cruise ship dock.

One of three official copies of Marcel Duchamp's enigmatic masterpiece is on display in an obscure Tokyo museum.

This delightful hidden farm is home to Victorian ruins and a wonderful menagerie of animals.

This mysterious and unique painting is filled with symbolism.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

This beautiful and unmissable little museum is full of fascinating artifacts from Mesoamerica's great civilizations.

Finland's northernmost zoo is home to the country's only polar bears.

It took 160 years to complete the most ornate church in Ecuador.

Believed to be haunted, this old cemetery is beautifully adorned with Spanish moss hanging from the trees.

These morbid carvings remind churchgoers of the inevitability of death.

On this Polish road, an optical illusion makes cars seem to roll uphill.

This vast, pristine wilderness is home to a rare subspecies of black bear.

This seaside Scottish holiday rental lets you live out your bookselling dreams.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.