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

The historic building has preserved human organs, unusual hexagrams, and scars from a political assassination.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

The secular incarnation of a religious meditation.

This quaint farm in the Peloponnese countryside hides an astonishing cache of antique curiosities.

An intricate network of underground tombs carved into volcanic rock.

This abandoned shopping arcade has new life as an art installation.

After the comedian dissed a Connecticut town on his show, they named a sewage treatment plant after him.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

A wedding chapel, vintage clothing shop, and bar all under one roof.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

Live long and prosper in Tennessee.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

A large sculptural artwork and garden in Escondido, California.

North America's largest accredited model railroad museum.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

A couple turned their front yard into an artistic masterpiece.

The tiniest tiki room in San Diego.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

The classic Atari game's iconic aliens have invaded downtown San Diego.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.