A museum and shop on Bourbon Street located in the French Quarter.

The longest hedge maze in the world.

Monasteries on rock pillars, once accessible only by frayed ropes.

Become a prohibition rebel.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A library of rare occult books in Los Angeles.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A rare view of a preserved Victorian science museum.

360° views of the city plus five floors of optical illusions and hands-on science.

The most visited, and possibly most controversial, museum in Germany.

Hollowed out cedar log tubs set in an ancient towering forest.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Ruins of a German Castle on top of a towering stone pillar.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

A slice of central Asia in the middle of Berlin.

A hotel and restaurant serving as the mecca of kitsch.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A 30-acre garden inspired by the principles of modern physics.

Northern Ireland's Brobdingnagian stepping stones.