Secret gardens just a few miles from downtown Atlanta.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

Mai Tais and Navy Grog served up in one of the original tiki bars.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Tour the sci-fi-esque reality of governmental disease management.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

An abandoned asylum incorporated into a college campus.

This church was constructed on the site where St. Philip the Apostle preached to the ancient Athenians.

One of the best collections of Byzantine art housed in a magnificent, 19th-century neoclassical home.

An ancient Greek monument and a Byzantine church coexist inside this cave.

With no menu and no sign, this 130-year-old taverna doles out affordable home cooking.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

These ancient ruins hide in plain sight next to a dessert shop.

When construction began on this hotel, developers were surprised to find the ruins of an ancient civilization.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

According to legend, this ancient column contains healing properties.

There are many Byzantine-era churches still standing in Athens, but this is the only one with a 2,500-year-old column rising through its roof.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

A preserved portion of an ancient Athens barrier is displayed in a hotel basement.

These caves secretly held national treasures during World War II.

Scars of this building's past life as a violent prison still cover its walls.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.