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

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

This ancient hydrological marvel is now the base of a modern outdoor cinema.

An ancient octagonal weather station named for the eight Greek gods of wind.

This Chinese-style quartz sundial was saved in its final hour.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Where the U.S. government kept its actual treasure, before Fort Knox.

This beehive tomb built for royalty sat hidden for over 3,000 years.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

Built by the Ancient Greeks, this chariot bridge is still in use today.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

A prehistoric rock shelter that's literally in someone's backyard.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

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.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.