A much more welcome kind of snowbird vacationer, manatees camp out in these springs every winter.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

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

These caves secretly held national treasures during World War II.

A Byzantine-era church hidden in a wooded area below the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

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

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Unique tower has outlasted a takeover of the company.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

This private home is famous for appearing in the cult-classic "Twin Peaks" series.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

World-famous, Pink's still manages to keep its prized cult fetish status.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The exterior of this home was used for the hit television show, The Brady Bunch.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.