Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

A registered historic landmark shrouded in unsettling local legends.

Cemetery featuring rare glass-fronted columbarium.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A sliver of nostalgia in Seattle's Viretta Park.

A Marxist summer camp full of fantastical statues lies tucked away and forgotten in the forests of Moscow.

A haunting theme park is slowly being swallowed by the jungle.

The largest tiger reserve in India is a vast expanse dotted with ancient ruins of Nagarjuna Viswa Vidyalayam.

A Caribbean chef recreates his enslaved great-great-grandmother's dishes inside the home she purchased after buying her freedom.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Siddhartha Gautama sat here and received enlightenment.

One native village in Bali lays their dead at the foot of a holy tree whose natural fragrance seems to hide the stench as the bodies decompose.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

Nightmarish example of the unintended consequences of weapons testing.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.