Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

This 5,000-year-old tomb once had its own hinged door.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This legendary urban waterfall creates a dazzling display of rainbows.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

A series of labyrinths in the Nevada desert inspire meditation and calmness.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The best place in the world to buy tinned fish.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Houses are tucked between, on, and underneath giant boulders.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The time thousands of bags of chips washed ashore in the Outer Banks is memorialized in a local museum.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

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

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

Walk through living pictures and music in the Cathedral of Images.