Places Diogenes Wants to Go

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

The English graveyard of Mineral del Monte, a magical little piece of Cornwall in Mexico.

The ruins of a former sanctuary for elite Aztec warriors.

The striking and little-touristed ruins of an ancient city destroyed and rebuilt by the Aztecs.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

Remnants of an architect's residence that displays his embrace of organic architecture.

The ruins of the "place of the cloud snake" sit in the middle of an urban environment.

The only castle in North America to ever house European sovereigns.

This Aztec structure remained hidden until the demolition of a supermarket exposed the lost temple.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

During the 19th-century, this park was a vital trading fort.

An urban forest overtakes what was the greatest failure of utopic urban housing.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

This sacred space and gathering spot for the Wyandot Nation has been the surrounded by controversy and confusion.