Locals dubbed it the "Owl Building" because of its bird-like appearance.

Some islands... they come, they go, especially on Lake Travis.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

A city block packed with whimsical sculptures that seem to be plucked from a tiled fantasy world.

Former estate of Lenin, now home to his death mask.

Stalinist skyscraper built with help of cryotechnology.

The tallest hotel in Europe.

World's largest bell sits on the grounds of the Kremlin in Moscow.

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

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Series of storm drains connected to a dark urban legend.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

A world-class collection of mechanical musical instruments and automata.

The record holder for the world’s largest peach.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

A rapidly disappearing authentic bit of the old south.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.