This little-known, 35,000-specimen collection in Greece is a lepidopterist's dream.

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Where commuters walk through remnants of an ancient Greek necropolis.

This medieval "painted village" is famous for its geometric facades.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

The hallucinogenic center of the ancient world.

This site is believed to be connected to the oldest house in Arlington County.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

A derelict bit of transportation infrastructure hidden in the woods.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

An artist weaves "wooden quilts" with scraps salvaged from his Katrina-damaged home in Tremé.

A private museum dedicated to preserving the heritage of Mardi Gras' most beloved underdog parades, open by appointment.

This strange, small castle on the bayou has withstood the test of time and weather.

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

Shop for books in the New Orleans house where William Faulkner once lived.

A treasure trove of rare and exquisitely detailed antiques

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.